Newton's 3rd Law of Motion

Front

What is Newton's 3rd Law of Motion?

Back

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

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NGSS.MS-PS2-1

Front

What happens when Sphere X is released and swings towards Sphere Y?

Back

Sphere Y will swing away from Sphere X, just as far up as Sphere Y had started.

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Front

What is a force?

Back

A push or pull on an object.

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NGSS.MS-PS2-2

Front

When you lean on a wall, what can be said about the forces involved?

Back

The force you exert on the wall is equal to the force the wall exerts back on you.

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Front

Which of the following is an example of Newton’s 3rd Law?

Back

All of the above: jumping on a trampoline, a swimmer pushing against a wall, a rocket's thrust.

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NGSS.MS-PS2-1

Front

What is an action force?

Back

The initial push or pull that causes an object to move.

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What is a reaction force?

Back

The force that occurs in response to an action force, equal in size and opposite in direction.

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Front

Can you give an example of action and reaction forces in everyday life?

Back

When you walk, your foot pushes back on the ground (action), and the ground pushes your foot forward (reaction).

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NGSS.MS-PS2-1

Front

What is the relationship between mass and force according to Newton's laws?

Back

Force is equal to mass times acceleration (F = ma).

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NGSS.MS-PS2-2

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.