Newton's 3rd Law of Motion Quiz

Newton's Third Law States...

• Objects in motion stay in motion and objects at rest stay at rest
• Force is equal to mass times acceleration
• For each action there is an equal and opposite reaction

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An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...

• Air resistance against the bow
• the arrow's push against the bowstring
• the grip of the archer's hand on the bow

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A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...

• Less than 1, 000 N
• 1,000 N
• More than 1,000 N

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What is the reaction force to a foot pushing down on the floor?

• The foot going through the floor
• The floor pushing back against the foot
• The floor breaking to the foot

According to Newton's Third law the strength or magnitude of forces will be...

• smaller
• equal
• larger

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If you apply MORE force to the ground what happens to the ground pushing on you?

• The force remains the same

• The force increases

• The force decreases

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If the gymnast decreases the force they exerts on the trampoline, what will the reaction be?

• The gymnast will be pushed back by the trampoline with more force and go higher into the air

• The gymnast will be pushed back by the trampoline with less force and not go as high into the air

• No change will happen to the gymnast

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Which law explains how rockets are launched into space?

• Newton's First Law of Motion
• Newton's Second Law of Motion
• Newton's Third Law of Motion
• Newton's Fourth Law of Motion

By pushing backwards a roller skater moves forward. This is an example of Newton's

• First Law

• Second Law

• Third Law

• Law of Gravity

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According to Newton's third law forces come in pairs?

• True
• False

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