Newton's Third Law Quiz Review

A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

• 100 Newtons in the same direction

• 100 Newtons in the opposite direction

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What is the sum of all forces acting on an object?

• net force

• motion

• third law

• collide

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What is a change in position compared to other objects?

• net force

• motion

• third law

• collide

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What law states that for every action, there is an equal and opposite reaction?

• net force

• motion

• third law

• collide

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What is it called when you strike or hit something with any amount of force?

• net force

• motion

• third law

• collide

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According to Newton's Third Law, if someone is riding a wakeboard and then jumps off, the wakeboard will travel in the opposite direction because...

• the mass of the wakeboard is the same as the person jumping off

• the pull of gravity on the person is sthe same as on the wakeboard

• the air resistance on the person is great and the friction on the wakeboard is small

• for the force that sent the person forward, there is an equal force pushing back on the wakeboard.

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The nozzle of a toy rocket is pointed down so that as fuel is ignited, the exhaust pushes down. Why is this necessary?

• The rocket is protected from the heat of the exhaust.

• Burned fuel can be collected on the ground.

• As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.

• This allows the rocket to be steered properly.

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For every force there is an equal and opposite reaction between ___.

• Interacting objects

• Newton

• Force; same

• Friction

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A ___ is the unit of measurement for force.

• Interacting objects

• Newton

• Force; same

• Friction

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When you are sitting in a chair, your body exerts a ___ on the chair and the chair exerts the ___ force back.

• Interacting objects

• Newton

• Force; same

• Friction

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