Newton’s 1 st Law of Motion. Isaac Newton Scientist, mathematician, and philosopher Established...

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Newton’s 1 Newton’s 1 st st Law of Law of Motion Motion

Transcript of Newton’s 1 st Law of Motion. Isaac Newton Scientist, mathematician, and philosopher Established...

Page 1: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

Newton’s 1Newton’s 1stst Law of Law of MotionMotion

Page 2: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

Isaac NewtonIsaac Newton

Scientist, Scientist, mathematician, and mathematician, and philosopherphilosopher

Established his three Established his three laws of motion in the laws of motion in the late 1600’slate 1600’s

Page 3: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

Newton’s 1Newton’s 1stst Law of Law of MotionMotion

An object in motion stays in motion and an object at An object in motion stays in motion and an object at rest stays at rest unless acted upon by a net force.rest stays at rest unless acted upon by a net force.

Video clip

Page 4: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

InertiaInertia

Tendency of an object to resist change in Tendency of an object to resist change in motionmotion

Measured by massMeasured by mass

Page 5: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

Force is not needed for Force is not needed for velocity to exist.velocity to exist.

Force is needed to change a Force is needed to change a velocity.velocity.

Having a velocity is “FREE”, Having a velocity is “FREE”, changing a velocity “costs” changing a velocity “costs” force.force.

Think about examples in space, where there is no force of friction or gravity…

Page 6: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

How are these examples How are these examples of Newton’s 1of Newton’s 1stst law? law?

Shaking ketchup out of a bottle…Shaking ketchup out of a bottle…

Riding on a skateboard and hitting a curb…Riding on a skateboard and hitting a curb…

You get the ketchup and bottle moving, You get the ketchup and bottle moving, then your hand applies a force that stops then your hand applies a force that stops the bottle but no force pulls back on the the bottle but no force pulls back on the ketchup so it keeps going.ketchup so it keeps going.

You and the skateboard are moving, the You and the skateboard are moving, the curb applies a force to stop the curb applies a force to stop the skateboard but none on you so you keep skateboard but none on you so you keep going forward.going forward.

Page 7: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

Ring and Marker DemoRing and Marker Demo

Page 8: Newton’s 1 st Law of Motion. Isaac Newton  Scientist, mathematician, and philosopher  Established his three laws of motion in the late 1600’s.

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