Newton's Third Law of Motion

Front

What is Newton's Third Law of Motion?

Back

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

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NGSS.MS-PS2-1

Front

What is an action force?

Back

An action force is the force exerted by one object onto another.

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NGSS.MS-PS2-1

Front

What is a reaction force?

Back

A reaction force is the force exerted by the second object back onto the first object.

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NGSS.MS-PS2-1

Front

If a swimmer pushes on the water, what is the action force?

Back

The swimmer pushes on the water.

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NGSS.MS-PS2-1

Front

If a swimmer pushes on the water, what is the reaction force?

Back

The water pushes back on the swimmer's hand.

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NGSS.MS-PS2-1

Front

What happens when a baseball player hits a ball with a bat?

Back

The player exerts a force on the ball, and the ball exerts an equal and opposite force on the bat.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

How does increasing the force applied to an object affect its motion?

Back

Increasing the force will increase the acceleration of the object.

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NGSS.MS-PS2-2

Front

What is an example of Newton's Third Law in everyday life?

Back

When you jump off a small boat, you push down on the boat, and the boat pushes you up into the air.

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Front

What is the relationship between action and reaction forces?

Back

They are equal in size but opposite in direction.

Tags

NGSS.MS-PS2-1

Front

If a baseball player bats a ball with a force of 1,000 N, what is the reaction force?

Back

The ball exerts a reaction force of 1,000 N against the bat.

Tags

NGSS.MS-PS2-1