Fun with Newton

Inertia is most often experienced when…

• Earth stop rotating for a second

• a moving vehicle is stopped

• It rains

• Rockets are launched

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What is one of the benefits of wearing a seat belt?

• It keeps you in from falling out of the car.

• It allows you to share the same motion as the car

• It prevents car accidents

• It is connected to air bags

What will happen to an object if it is put into motion in space?

• It will eventually stop

• It will continue to move until it is acted on by an unbalanced force

• It will speed up

• It will burst due to high pressure

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The rate at which an object’s velocity changes is _____

• Acceleration

• Speed

• Time

• Oscillation

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Your bicycle begins to slow down when you stop peddling. What is at work?

• Weight

• Friction

• Centrifugal Force

• All of the above

A dog’s wagging tail knocks over the cup of pencils sitting on your desk. What kind of force is his tail?

• Balanced

• Unbalanced

• Frictional

• Angular

What is the force of a ball that has a mass of 150 g hitting the ground from a height of 20 meters?

• 1500 N

• 1.5 N

• 3000 N

• 3 N

Newton’s second law of motion can be written as

• F = ma

• a = F/m

• F = mc²

• F = am

Which of the following would speed up or change directions more quickly if the same force is applied to all?

• Golf ball

• Marble

• Football

• Bowling ball

What is another name for Newton’s 3rd law?

• Law of Acceleration

• Law of Inertia

• Law of Action / Reaction