IPS Review (Ch8-Ch14) 2 nd Semester (Physics). If you jog for 1 hour and travel 10km, 10km/h...

Post on 29-Dec-2015

217 views 3 download

Tags:

Transcript of IPS Review (Ch8-Ch14) 2 nd Semester (Physics). If you jog for 1 hour and travel 10km, 10km/h...

IPS Review (Ch8-Ch14)

2nd Semester (Physics)

If you jog for 1 hour and travel 10km, 10km/h describes your____A. momentum

B. average speed

C. displacement

D. acceleration

CHAPTER 8

___________ is speed in a certain direction.

A. acceleration

B. Friction

C. Momentum

D. Velocity

CHAPTER 8

Which of the following objects is not accelerating?

A. A ball being juggled

B. A woman walking at 2.5 m/s along a straight road

C. a satellite circling Earth

D. A braking cyclist

CHAPTER 8

The Newton is a measure of _____.

A. Mass

B. Length

C. Force

D. Acceleration

CHAPTER 8

_____ is a force that opposes the motion between two objects in

contact with each other.

A. Motion

B. Friction

C. Acceleration

D. Velocity

CHAPTER 8

Automobile seat belts are necessary for safety because of a

passenger’s____.A. Inertia

B. Weight

C. Speed

D. gravity

CHAPTER 8

The winner of the shot-put event in the Olympics is the person who best uses:

A. Newton’s first law

B. Newton’s second law

C. Air resistance

D. The law of gravity

CHAPTER 8

An example involving action-reaction forces is _____.

A. Air escaping from a toy balloon

B. A rocket traveling through the air

C. A ball bouncing off a wall

D. All of the above

CHAPTER 8

_____ is defined as force acting over a distance.

A. power

B. Energy

C. Work

D. Potential energy

CHAPTER 9

The quantity that measures how much a machine multiplies force is called:A. Mechanical advantage

B. Leverage

C. Efficiency

D. Power

CHAPTER 9

Scissors are an example of ____.

A. A lever

B. A wedge

C. A wheel and axle

D. A compound machine

CHAPTER 9

The unit that measures 1 J of work done each second is the ____.

A. Power

B. Newton

C. Watt

D. Mechanical advantage

CHAPTER 9

Joules could be used to measure:

A. The work done in lifting a bowling ball

B. The potential energy of a bowling ball held in the air

C. The kinetic energy of a rolling bowling ball

D. All of the above

CHAPTER 9

Which of the following situations does not involve potential energy being changed into

kinetic energy?A. An apple falling from a tree

B. Shooting a dart from a spring-loaded gun

C. Pulling back on the string of a bow

D. A creek flowing downstream

CHAPTER 9

______ is determined by both mass and velocity.

A. work

B. Power

C. Potential energy

D. Momentum

E. Kinetic energy

CHAPTER 9

Energy that does not involve the large-scale motion or position of objects in a

system is called ____.

A. Potential energy

B. Mechanical energy

C. Non-mechanical energy

D. Conserved energy

CHAPTER 9

The law of conservation of energy states that _____.

A. The energy of a system is always decreasing

B. No machine is 100 percent efficient

C. Energy is neither lost nor created

D. Earth has limited energy resources

CHAPTER 9

Waves that need a medium in which to travel are called _____.

A. Longitudinal waves

B. Transverse waves

C. Mechanical waves

D. All of the above

CHAPTER 11

Most waves are caused by ____.

A. Velocity

B. Amplitude

C. A vibration

D. Earthquakes

CHAPTER 11

For which type of waves do particles in the medium vibrate

perpendicularly to the direction in which the waves are traveling?

A. Transverse waves

B. Longitudinal waves

C. P waves

D. None of the above

CHAPTER 11

A sound wave is an example of _____.

A. An electromagnetic wave

B. A transverse wave

C. A longitudinal wave

D. A surface wave

CHAPTER 11

In an ocean wave, the molecules of water _____.

A. Move perpendicularly to the direction of wave travel

B. Move parallel to the direction of wave travel

C. Move in circles

D. Don’t move at all

CHAPTER 11

Half the vertical distance between the crest and trough of a wave is

called the _______.A. frequency

B. crest

C. wavelength

D. amplitude

CHAPTER 11

The number of waves passing a given point each second is called

the_________A. frequency

B. Wave speed

C. wavelength

D. amplitude

CHAPTER 11

The Doppler effect of a passing siren results from an apparent

change in_____A. loudness

B. Wave speed

C. frequency

D. interference

CHAPTER 11

The combining of waves as they meet is known as____

A. A crest

B. noise

C. interference

D. The Doppler effect

CHAPTER 11

Wave bends when they pass through an opening. This is

called________A. interference

B. diffraction

C. refraction

D. The Doppler effect

CHAPTER 11

All sound waves are___

A. Longitudinal waves

B. Transverse waves

C. Electromagnetic waves

D. Standing waves

CHAPTER 12

The speed of sound depends on______

A. The temp. of the medium

B. The density of the medium

C. How well the particles of the medium transfer energy

D. All of the above

CHAPTER 12

A sonar device can use the echoes of ultra-sound under water to find

the________

A. Speed of sound

B. Depth of the water

C. Temperature of the water

D. Height of the waves on a surface

CHAPTER 12

During a thunderstorm, you see lightning before you hear thunder

because_____

A. The thunder occurs after the lightning

B. The thunder is farther away than the lightning

C. Sound travels faster than light

D. Light travels faster than sound

CHAPTER 12

The speed of light_____

A. Depends on the medium

B. Is faster in a vacuum

C. Is the fastest speed in the universe

D. All of the above

CHAPTER 12

Which of the following forms of light has the most energy?

A. X rays

B. microwaves

C. Infrared light

D. Ultraviolet light

CHAPTER 12

Light can be modeled as_____

A. Electromagnetic waves

B. A stream of particles called photons

C. Rays that travel in straight lines

D. All of the above

CHAPTER 12

The energy of light is proportional to____

A. amplitude

B. wavelength

C. frequency

D. The speed of light

CHAPTER 12

A flat mirror forms an image that is___

A. Smaller than the object

B. Larger than the object

C. virtual

D. real

CHAPTER 12

Which of the following wavelengths of visible light bends the most when

passing through a prism?

A. red

B. yellow

C. Green

D. blue

CHAPTER 12

Which of the following particles is electrically neutral?

A. A proton

B. An electron

C. A hydrogen atom

D. A hydrogen ion

CHAPTER 13

Which of the following is not an example of charging by friction?

A. Sliding over a plastic-covered car seat

B. Scraping food from a metal bowl with a metal spoon

C. Walking across a woolen carpet

D. Brushing dry hair with a plastic comb

CHAPTER 13

The electric force force between two objects depends on all of the

following except______.

A. The distance between the objects

B. The electric charge of the first object

C. How the two objects became electrically charged

D. The electric charge of the second object

CHAPTER 13

A positive charge placed in the electric field of a second positive

charge will ______

A. Experience a repulsive force

B. Accelerate away from the second positive charge

C. Have greater electrical potential energy when near the second charge than when farther away

D. All of the above

CHAPTER 13

An electric current does not exist in ______.

A. A closed circuit

B. A series circuit

C. A parallel circuit

D. An open circuit

CHAPTER 13

Which of the following schematic diagrams represent circuits that cannot have current in them as

drawn.

A. AB. BC. CD. DE. B & DF. A & BG. C & D CHAPTER 13

Which of the following can help prevent a circuit from overloading?

A. A fuse

B. A switch

C. A circuit breaker

D. Both A & C

CHAPTER 13

A 1.5 V battery is connected to a small light bulb with a resistance of

3.5 Ω. What is the current in the bulb?

A. 0.5 A

B. 1.3 A

C. 2.3 A

D. 0.43 A

CHAPTER 13

The current in a resistor is 0.50 A when connected across a voltage of 120 V. What is the resistance?

A. .004 Ω

B. 240 Ω

C. 500 Ω

D. .056 Ω

CHAPTER 13

If the poles of two magnets repel each other, _____

A. Both poles must be south poles

B. Both poles must be north poles

C. One pole is a south pole and the other is a north pole

D. The poles are the same type

CHAPTER 14

The part of the magnet where the magnetic field and forces are

strongest is called a magnetic ____

A. field

B. pole

C. attraction

D. repulsion

CHAPTER 14

An object’s ability to generate a magnetic field depends on its ____

A. size

B. location

C. composition

D. direction

CHAPTER 14

A straight current-carrying wire produces ______

A. An electric field

B. A magnetic field

C. Beams of white light

D. All of the above

CHAPTER 14

An electric motor uses an electromagnet to change _____

A. Mechanical energy to electrical energy

B. Magnetic fields in the motor

C. Magnetic poles in the motor

D. Electrical energy to mechanical energy

CHAPTER 14

An electric generator is a device that converts _____.

A. Nuclear energy to electrical energy

B. Wind energy to electrical energy

C. Energy from burning coal to electrical energy

D. All of the above

CHAPTER 14

Rubbing (in one direction) an otherwise non-magnetic metal with

a magnet results in _____

A. The material falling apart

B. The domains to be randomly oriented

C. All of the domains to align

D. Most of the domains to align

CHAPTER 14

When 10,000 V of current across power lines is changed to 120 V which comes out of wall sockets,

the current must pass through a __

A. resistor

B. Step-up transformer

C. Step-down transformer

D. Circuit breaker

CHAPTER 14