Newton's 3rd Law Quiz

Newton’s law states that for every action, there is an ________ reaction.

• unequal and opposite

• equal and similar

• stronger and opposite

• equal and opposite

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When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

• The cannon moving forward

• The cannon moving backwards

• The cannonball moving backwards

• The cannonball moving forward

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How is this an example of Newton’s Third law?

• Only the ball is using the head

• They are both exerting an equal force on each other

• Only the head is pushing the ball

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When the person pushes the ground with their foot, the equal and opposite reaction force is

• the ground pushing back on their foot

• when they start to move forward

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Force always come in________

• waves

• triplets

• pairs

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What will happen if the Action is greater than the Reaction?

• The man will fall

• The boat will sink

• Nothing will happen

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You hit a wall with a stick. The equal but opposite reaction is _____

• the wall pushes against you

• the stick pushes against you

• the wall pushes against the stick

• you push against the stick

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When gravity pulls a skydiver towards the Earth, the reaction force is...

• The skydiver pulling the Earth.

• Air resistance

• kinetic energy

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How is this an example of Newton’s Third law?

• Only the ball is using the head

• They are both exerting an equal force on each other

• Only the head is pushing the ball

Action-reaction pairs ___ cancel each other out.

• never

• always

• sometimes