Newton's Third Law

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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NGSS.MS-PS2-1

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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NGSS.MS-PS2-1

A player throws a ball. The action force is the player impact on the ball. The reaction force is...

• The force of the ball impact on the player
• The force of the grip of the ball
• The celebration the player is thinking of

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NGSS.MS-PS2-1

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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NGSS.MS-PS2-1

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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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Newton's Third Law is also known as...

• The Law of Inertia

• The Law of Acceleration

• The Law of Conservation of Momentum (Force Pairs)

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NGSS.MS-PS2-1

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

Tags

NGSS.MS-PS2-1

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

• True
• False

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NGSS.MS-PS2-1

How many Laws of Motion are there?

• 1
• 2
• 3
• 4

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NGSS.MS-PS2-1