What is Newton's third law of motion?

• Law of Inertia

• Law of Acceleration

• Law of Interaction

• Law of Gravitation

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 rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?

• 15,000 N
• 1,000 N
• 10, 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

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

• smaller
• equal
• larger

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NGSS.MS-PS2-2

A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the ACTION force?

• Swimmer pushes on the water

• the water pushes on the hand and the swimmer moves forward

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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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A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the REACTION force?

• Swimmer pushes on the water

• the water pushes on the hand and the swimmer moves forward

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What happens when two objects, such as a baseball and a bat, collide?

• They hit each other with the same force in the same direction.

• They hit each other with the same force in opposite directions.

• They hit each other with unequal force in opposite directions.

• One remains still while the other one moves in the same direction.

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