Force & Motion Test Review

A car stops at a intersection. The force causing the car to stop suddenly is:

• Motion

• Friction

• Gravity

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As the ball rolls down the hill, it begins to move faster. What other force besides the initial force is causing the ball to roll faster down the hill?

• Gravity

• Force

• The hill

• The moving ball

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Pushing a box is an example of:

• Applied force

• Friction

• Motion

• Gravity

• All of the above

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A ball is at rest at the top of a hill until a boy kicks it with his foot. What is the force that causes motion in this scenario?

• The resting ball

• The boy's foot

• Gravity

• The hill

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What is friction?

• change in speed or direction

• an object's tendency to resist motion

A ball is at rest at the top of a hill until a boy pushes it with his hands. What is the force that causes motion in this scenario?

• The resting ball

• The boy's hands

• Newton's second law of motion

• friction

• gravity

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In the video, Mosa reviews what she has learned. Things that are still stay still and things that are moving stay moving unless a ______ acts upon it. What word works best in the blank?

• The hill

• The moving ball

• Pushing a box

• force

• motion

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As the ball reaches flat ground, it begins to slow down and then stop. What force causes the ball to appear like it stops on its own?

• Newton's first law of motion

• Newton's third law of motion

• Friction

• The ball

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The force responsible for the parachutist falling to the ground is:

• Applied force

• Friction

• Gravity

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Which of Newton's laws best explains why motorists should buckle-up?

• Newton's first law of motion

• Newton's third law of motion