newtons third law

For every action, there is an equal and opposite reaction.

• Newton's
  1st
  Law of Motion
• Newton's
  2nd
  Law of Motion
• Newton's
  3rd
  Law of Motion

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NGSS.MS-PS2-1

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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NGSS.MS-PS2-1

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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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 player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...

• The grip of the player's hands on the ball
• the air resistance of the ball
• the force of the ball against the bat

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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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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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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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Your friend pushes you for making fun of him/her. What is the reaction force?

• You pushing back on your friend

• You pushing on the ground

• There is no reaction force

• Your friend pushing on the ground

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NGSS.MS-PS2-1