PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of...

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PASS Content Standard 3.1 energy can be considered to be ei etic, which is the energy of motio ential, which depends on relative ition; or energy contained by a fi h as electromagnetic waves.

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Transcript of PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of...

Page 1: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

PASS Content Standard 3.1

All energy can be considered to be eitherkinetic, which is the energy of motion;potential, which depends on relativeposition; or energy contained by a field,such as electromagnetic waves.

Page 2: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A force that acts over a certain area.

Pressure = Force

Area

Page 3: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Pressure - 2 min

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Page 4: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 5: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Exert pressure because of the motion of theirparticles.

Page 6: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Exert pressure because of the motion of theirparticles.

Page 7: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

What is happening?

Page 8: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Air molecules inside a basketballpress against the material.

The more air in the ball, the less it will compress and the higher it will bounce.

Can you dribblea ball with no air?

Page 9: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

BarometersMeasure

Air Pressure

Page 10: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The pressure exerted by air at sea levelis 10.13 N/cm2

Page 11: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Atmospheric pressureis usually reported bythe “weatherman” in

inches of mercury

“Normal” atmosphericpressure is

29.92 in Hg

Page 12: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Is that a lot?

29.92 inches of mercury

Page 13: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Is that a lot?

29.92 inches of mercury

Page 14: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Weather - 27 min

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Page 15: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 16: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Describe thecharacteristicsof a low pressure air mass

Page 17: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Describe thecharacteristicsof a high pressure air mass

Page 18: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

What is aweather "front"?

Page 19: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

How does this picture relateto atmospheric pressure?

Page 20: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The force of a fluidthat pushes up onan object in a fluid.

Page 21: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

If buoyant force isequal to the weight of the object, the object will be suspended inside the fluid.

Page 22: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 23: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

If buoyant force isgreater than theweight of the object,the object willrise in the fluid.

Page 24: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 25: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

If buoyant force isless than the weight of the object,the object willsink in the fluid.

Page 26: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 27: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Archimedes Principle states that the buoyant force on a submerged object is equal to the weight of the fluid that is displaced by the object.

Page 28: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 29: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 30: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The pressure in a moving stream of fluid is less than the pressure in the surrounding fluid.

Page 31: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The pressure in a moving stream of fluid is less than the pressure in the surrounding fluid.

Page 32: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The Bernoulli's Principle keeps airplanes in the air.

Page 33: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 34: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 35: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 36: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 37: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Flight - 4 min

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F o r c e s a c t i n g o n a n a i r p l a n e

Page 39: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

T h r u s t f o r w a r d f o r c e p r o d u c e d b y t h e e n g i n e .

Page 40: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

D r a gF r i c t i o n a s t h e p l a n e m o v e s t h r o u g h t h e a i r .

Page 41: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

L i f tP r o d u c e d b y u n e q u a l a i r p r e s s u r e s o n t h e w i n g s u r f a c e s .

Page 42: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

W e i g h tG r a v i t y p u l l i n g t h e p l a n e d o w n .

Page 43: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 44: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The Wright Brothers - 8 min

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Page 45: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 46: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Reverse Engineering - 12 min

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Page 47: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 48: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The bat exerts about 8000 pounds of force on the ball.

Page 49: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Contact betweenthe ball and thebat lasts onlyabout 1/1000 sec.

Page 50: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The ball distortsto about half itsoriginal diameterwhen it contactsthe bat.

Page 51: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 52: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The decision toswing has tobe made within0.04 seconds.

Page 53: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Swing 1/100 second toosoon and theball goes foul down the left field side.

Page 54: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Swing 1/100 second toolate and theball goes foul down the right field side.

Page 55: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

An aluminumbat can hit abaseball 30 feetfarther than awooden bat.

Page 56: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 57: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 58: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 59: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 60: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

In general, a baseball will curve in the same direction that the front of the ball turns.

Page 61: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The faster the spin,the greater the break.

Page 62: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 63: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A corked bat is lighter,so its swing speed is faster.

But the baseball bouncesoff the bat faster than thecork can store energy thatmight be given back tothe ball.

Page 64: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

These two factorscombine to make a corked bat hit theball less distancethe a regular bat.

Page 65: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 66: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

For maximum distance, hit the ball just under its center of mass.

This always adds backspin to the ball -providing lift.

A batted ball should be able to travel no farther than 545 Feet.

Page 67: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A 94 mph fastball is thrown with 1910 rpm backspin.

Page 68: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Hitting the fastball changes thespin direction - provides 1827

rpm backspin.

442 feet

Page 69: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

This reduces the lift of the batted ball.

442 feet

Page 70: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A 78 mph curveball is thrown with 1910 rpm topspin.

Page 71: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Hitting the curveball does not change the spin direction - butincreases backspin to 2643 rpm.

455 feet

Page 72: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

This increases the lift of the batted ball.

455 feet

Page 73: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 74: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

What is themass of abaseball?

Page 75: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Why doesthe ballslow downafter leavingthe pitcher'shand?

Page 76: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

What is themaximumdistance abatted baseballshould be ableto travel?

Page 77: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A baseball travels400 feet at sea level,how far would thesame baseballtravel at an altitudeof 5000 feet?

Page 78: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Why do flyballs travelfarther whenthe humidityis low?

Page 79: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

During apitch, wheredoes a curveballdo most ofits curving?

Page 80: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

What directiondoes a curveballbreak?

Page 81: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Does acorked bathit a baseballfarther than a normal wooden bat?

Page 82: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Why can acurveball be hit farther thana fastball?

Page 83: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Fastball: Hold the ball near the ends of your fingers and throw with a normal overhand delivery. The ball should roll off your fingers with a backwards spin (it will tend to rise). Outfielders usually throw the ball this way because the rising action allows them to throw it considerably farther.

Page 84: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Curveball: "Choke" the ball (wedge it down between your thumb and forefinger), and cock your wrist to the left; the ball snaps down and to the right on release. The resulting pitch should drop and curve to the left.

Page 85: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Screwball: Throw the ball like a curveball, but reverse the wrist action and spins. Cock the wrist initially to the right and "turn the ball over" to the left as you throw it. The ball should break down and to the right.

Page 86: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Slider: Throw the ball like a football pass, with the wrist cocked at a 90 degree angle . The ball should curve slightly down and to the left.

Page 87: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

End Baseball Physics

Page 88: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 89: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 90: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 91: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A pressure of2 kg/cm2 in thefirst cylinder istransmittedthrough the fluid to the secondcylinder.

Page 92: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Since cylinder #2has 5 times thearea of the firstcylinder, thepressure ismultiplied 5 times.

Page 93: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The greater thedifference in size between the twocylinders, themore the forceis multiplied.

Page 94: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 95: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 96: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 97: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Energy - 1 min

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Page 98: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Energy stored in an object due to its position.

Page 99: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Gravitational potential energy,GPE, is dependent on an object’s height above the surface of the earth.

Page 100: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

GPE = weight (N) X height (m)

weight = mass (kg) X g (9.8 m/s2)

Page 101: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

GPE = mgh

Page 102: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The units are Joules

kilogram meters / s2

Page 103: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Potential Energy - 5 min

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Page 104: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Chemical Potential Energy -

energy due to condition

Page 105: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

mgh = 1/2 mv2

Page 106: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Energy an object has because of its motion.

Page 107: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

KE = 12 MV2

Page 108: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Potential energy can be changed into kinetic energy and kinetic energy can be changed into potential energy.

Page 109: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Potential energy can be changed into kinetic energy and kinetic energy can be changed into potential energy.

Page 110: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Potential energy can be changed into kinetic energy and kinetic energy can be changed into potential energy.

Page 111: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 112: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 113: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 114: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 115: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Law of Conservation of Energy - 4 min

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Page 117: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Useful Energy Changes - 3 min

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Page 118: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 types

mechanicalheatchemicalelectromagneticnuclear

Page 119: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Forms of Energy - 1 min

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Page 120: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 energy types

Mechanical energy is associated with motion.

Page 121: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 energy types

Heat energy is the internalmotion of particles.

Page 122: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 energy types

Chemical energy bondsatoms and moleculestogether.

Page 123: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 energy types

Electromagnetic energyis contained in moving electric charges.

Page 124: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

There are5 energy types

Nuclear energy holds the atomic nucleus together.

Page 125: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Atomic Bombs - 4 min

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Page 126: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

E = energy in Joulesm = mass in kilogramsc = speed of light (300,000 km/s)

Page 127: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Think of matter and energy as twoforms of the same thing that canbe converted from one to another.

Page 128: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Splitting of aheavy atomic nucleus

Page 129: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Fusing two or morelight-weight atomic nuclei

Page 130: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Nuclear Reactions - 11 min

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Page 131: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Man's first atomic explosionJuly 16, 1945, at 5:29:45 a.m.

Page 132: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

"Little Boy" was dropped on Hiroshima, Japan on August 6, 1945.

Page 133: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

It weighed about 9,000 pounds and had an explosive force of

about 20,000 Tons of TNT

Page 134: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Hiroshima after the bomb.

Page 135: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

"Fat Man" was dropped on Nagasaki, Japan on August 9, 1945.

Page 136: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

It weighed about 10,000 pounds and had an explosive force of

about 20,000 Tons of TNT

Page 137: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Nagasaki after the bomb.

Page 138: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 139: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Conservation of energy - 4 min

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Page 140: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 141: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 142: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 143: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 144: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Electricity is energy associated with charged particles as they move from place to place

Like charges repel

Opposite charges attract

Page 145: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 146: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Unequal chargeson an object.

Page 147: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Lightning - 3 min

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Static Electricity - 6 min

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Page 150: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

ConductionFriction

Induction

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Conduction

When an object with an excess of electrons touches a neutral object, electrons are passed to the neutral object.

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Conduction - 7 min

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Friction

When an object whose electrons are loosely held rubs against another object, electrons are transferred to the second object.

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Friction - 5 min

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Induction

A neutral object acquires a charge from a charged object close by without contact being made.

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Induction - 12 min

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Current flows in only one direction

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Page 161: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Batteries change chemical

energy into electrical energy.

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Batteries - 2 min

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Current flow changesdirection periodically

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All AC electricityproduced in the U.S.is "60 cycle"electricity.

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•

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Fuel Power Plants - 3 min

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There are about 110 nuclear power plants in the US

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Nuclear Power Plants - 3 min

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Blackout - 3 min

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Transformers are used tochange electric voltage.

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Transformers - 1 min

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When electricity is supplied to theprimary coil, it magnetizes the coreand produces a voltage in thesecondary coil.

Page 182: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The voltage produced depends on the ratio of the numberof turns in each coil.

Page 183: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 184: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The primary coil below has 10 turns, while the secondary has 2. The ratio is 5 to 1 - which means the voltage produced across the secondary will be 1/5 the voltage of the primary.

Page 185: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;
Page 186: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The primary coil below has 3 turns, while the secondary has 6. The ratio is 1 to 2 - which means the voltage produced across the secondary will be twice the voltage of the primary.

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The "pole" transformerreduces voltagefor the final time.

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Amps

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Find out WHYa fuse blowsbefore replacing

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Page 199: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Why do some meters have 5 dialsand other meters have only 4?

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1

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1

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1 3

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1 3

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1 3 6

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1 3 6

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1 3 6 4

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1 3 6 4

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1 3 6 4 1

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E l e c t r i c C i r c u i t s

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Electric circuits - 4 min

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E l e c t r i c C i r c u i t

S e r i e s

C i r c u i t

P a r a l l e l

C i r c u i t

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E l e c t r i c C i r c u i tS e r i e s C i r c u i t

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E l e c t r i c C i r c u i tS e r i e s C i r c u i t

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E l e c t r i c C i r c u i tP a r a l l e l C i r c u i t

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E l e c t r i c C i r c u i tP a r a l l e l C i r c u i t

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A measure of the energy available to move electrons

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The electric potentialdifference between two points

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A measure of the amount ofcurrent flowing past a givenpoint in a given time.

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E l e c t r i c P o w e r

• C a l c u l a t i n g:

P o w e r =

V o l t a g e X C u r r e n t

Page 226: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

E l e c t r i c P o w e r

• C a l c u l a t i n g:

W a t t s = V o l t s X A m p s

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E l e c t r i c P o w e r

• C a l c u l a t i n g:

E n e r g y = P o w e r X T i m e

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1.000

0.200

0.100

0.010

0.001

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What causes this force?

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A force of attractionor repulsion due to an arrangementof electrons.

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Magnetism - 4 min

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The area around a magnet where magnetic forces act.

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The forces are concentrated at the end of a magnet.

Like poles repel.

Unlike polesattract.

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Each of these three magnetsrepels the other two.

How could you arrange the magnets so that each attracts the other two instead?

Page 235: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A triangle arrangementbrings the north pole ofeach magnet to thesouth pole of the others.

Page 236: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Magnetic induction:

the process by which a material is made into a magnet.

During this process, atoms in a substance are aligned.

Page 237: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Temporary magnets:

Materials that are easy to magnetize, and loose their magnetism quickly.

Permanent magnets:

Materials that are hard to magnetize, but tend to stay magnetized.

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Lodestone - 3 min

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Magnetosphere: the region of the earth's magnetic field.

Extends beyond the atmosphere.

Composed of charged particlesgiven off by the sun.

Page 240: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The Earth’s magnetosphereextends 37,300 miles fromthe Earth on the sidefacing the sun.

And muchfarther on theside away from the sun.

Page 241: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

A compass is used to detectthe Earth's magnetic field.

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Earth's Magnetic Field - 3 min

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Collision of charged particles from the Collision of charged particles from the Sun with charged particles in Sun with charged particles in the Earth’s upper atmospherethe Earth’s upper atmosphere

Collision of charged particles from the Collision of charged particles from the Sun with charged particles in Sun with charged particles in the Earth’s upper atmospherethe Earth’s upper atmosphere

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Collision of charged particles from the Collision of charged particles from the Sun with charged particles in Sun with charged particles in the Earth’s upper atmospherethe Earth’s upper atmosphere

Collision of charged particles from the Collision of charged particles from the Sun with charged particles in Sun with charged particles in the Earth’s upper atmospherethe Earth’s upper atmosphere

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Aurora Borealis

Aurora Australis

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Aurora Borealis

Aurora Australis

The ultimate energy source for the polar auroras is the solar wind.

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Kp

Inde

x

Date, 2004

Polar auroras go through cycles with solar activity.

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Electricity and Magnetism - 3 min

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Produced by a current running through a coil of wire.

The strength of anelectromagnet isincreased by wrapping thecoil around aniron core.

Page 251: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

The magnetic field is activeonly when the current is flowing.

The more coils of wire, the stronger magnet.

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When a conducting wirecuts across magneticlines of force, acurrent is produced.

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Convert electricenergy intomechanicalenergy.

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split rings

magnet

magnet

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DC motors - 5 min

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Convert mechanical energy into electrical energy.

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Archimedes Principle states that the buoyant force on a submerged object is equal to the weight of the fluid that is displaced by the object.

A cylindrical mass andbucket are suspendedfrom a spring scaleabove a beaker withan overflow spout.

Note the scalereading.

Page 259: PASS Content Standard 3.1 All energy can be considered to be either kinetic, which is the energy of motion; potential, which depends on relative position;

Archimedes Principle states that the buoyant force on a submerged object is equal to the weight of the fluid that is displaced by the object.

Submerge the massby raising the beaker.

Pour the water fromthe catch beaker intothe hanging bucketto return to theoriginal scalereading.


Potential & Kinetic Energy How do forces result in potential and kinetic energy?

Potential & Kinetic Energy How do forces result in potential and kinetic energy?

States of Matter Chapter 10. Kinetic Theory Kinetic refers to motion. Kinetic refers to motion. Kinetic energy is the energy of a moving object. Kinetic.

States of Matter Chapter 10. Kinetic Theory Kinetic refers to motion. Kinetic refers to motion. Kinetic energy is the energy of a moving object. Kinetic.

Energy, Kinetic Energy, Work,

Energy, Kinetic Energy, Work,

Kinetic Energy

Kinetic Energy

Chapter 13 States of Matter. The Nature of Gases Kinetic Kinetic – means motion Kinetic Energy Kinetic Energy – the energy an object has because of its.

Chapter 13 States of Matter. The Nature of Gases Kinetic Kinetic – means motion Kinetic Energy Kinetic Energy – the energy an object has because of its.

A: Potential or kinetic energy? B: Potential or Kinetic energy?

A: Potential or kinetic energy? B: Potential or Kinetic energy?

Kinetic Energy and Energy Conservation

Kinetic Energy and Energy Conservation

Potential and Kinetic Energy How is all energy divided? Potential Energy Kinetic Energy All Energy.

Potential and Kinetic Energy How is all energy divided? Potential Energy Kinetic Energy All Energy.

Kinetic Energy Electrical Energy Kinetic Energy Kinetic Energy Kinetic Energy Thermal Energy Kinetic Energy Kinetic Energy Thermal Energy Chemical Energy.

Kinetic Energy Electrical Energy Kinetic Energy Kinetic Energy Kinetic Energy Thermal Energy Kinetic Energy Kinetic Energy Thermal Energy Chemical Energy.

Summary: Forms of energy Kinetic Energy Gravitational Potential Energy Electrical Potential Energy Internal Energy Thermal (internal kinetic) Elastic.

Summary: Forms of energy Kinetic Energy Gravitational Potential Energy Electrical Potential Energy Internal Energy Thermal (internal kinetic) Elastic.

Work Kinetic Energy Work Energy Theorem Gravitational Potential Energy Mechanical Energy Conservation of Energy Work Kinetic Energy Work Energy Theorem.

Work Kinetic Energy Work Energy Theorem Gravitational Potential Energy Mechanical Energy Conservation of Energy Work Kinetic Energy Work Energy Theorem.

Kinetic Energy, Work, and Powertsgphysics.mit.edu/pics/Documents/LegacyDemo... · Kinetic Energy, Work, and Power 8.01 W06D1. Forms of Energy • kinetic energy • gravitational

Kinetic Energy, Work, and Powertsgphysics.mit.edu/pics/Documents/LegacyDemo... · Kinetic Energy, Work, and Power 8.01 W06D1. Forms of Energy • kinetic energy • gravitational

Energy Kinetic and potential Forms of Energy Mechanical - energy with which moving objects perform work Ex: bicycle, sound Mechanical - energy with which.

Energy Kinetic and potential Forms of Energy Mechanical - energy with which moving objects perform work Ex: bicycle, sound Mechanical - energy with which.

Kinetic and Potential Energy. Kinetic Energy Kinetic energy is the energy of movement or motion To calculate kinetic energy you need to know an object’s.

Kinetic and Potential Energy. Kinetic Energy Kinetic energy is the energy of movement or motion To calculate kinetic energy you need to know an object’s.

Building Science. ENERGY THERMAL ENERGY A form of kinetic energy THERMAL ENERGY A form of kinetic energy TEMPERATURE A way to measure kinetic energy TEMPERATURE.

Building Science. ENERGY THERMAL ENERGY A form of kinetic energy THERMAL ENERGY A form of kinetic energy TEMPERATURE A way to measure kinetic energy TEMPERATURE.

2 Forms of Energy – Kinetic and Potential. Kinetic energy Kinetic energy is movement energy This is energy that is being used for movement right now.

2 Forms of Energy – Kinetic and Potential. Kinetic energy Kinetic energy is movement energy This is energy that is being used for movement right now.

The Race. Rotational Kinetic Energy The Forgotten Kinetic Energy.

The Race. Rotational Kinetic Energy The Forgotten Kinetic Energy.

Potential and Kinetic Energy - Bay Path Universitybp-web.baypath.edu/phs100/pdf/Potential and Kinetic Energy Present… · Kinetic to Potential ¥Kinetic energy turns into potential

Potential and Kinetic Energy - Bay Path Universitybp-web.baypath.edu/phs100/pdf/Potential and Kinetic Energy Present… · Kinetic to Potential ¥Kinetic energy turns into potential

By: Emi Diesman Kathy Hanks. Kinetic Energy: The kinetic energy of an object is the energy which it possesses due to its motion. Potential Energy: stored.

By: Emi Diesman Kathy Hanks. Kinetic Energy: The kinetic energy of an object is the energy which it possesses due to its motion. Potential Energy: stored.

KINETIC ENERGY AND POTENTIAL ENERGY

KINETIC ENERGY AND POTENTIAL ENERGY