Newton's Third Law

What is an opposing force?

• A force in the same direction with same strength.

• A force in an opposite direction with same strength.

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NGSS.HS-PS2-1

For every action there is an equal and opposite reaction.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

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When you push on a wall, the wall pushes on you.

• True

• False

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NGSS.MS-PS2-1

When one object collides with another object, no force is applied to the second object.

• True

• False

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

When a car collides (action) into a fire hydrant, they both move (reaction). Is this considered a force pair?

• Yes

• No

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NGSS.MS-PS2-1

A push or pull acted upon by an object.

• Equal

• Opposite

• Force

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

When you push a pole downward on Earth to make a pole vault, Earth exerts an equal force on the pole.

• True

• False

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NGSS.MS-PS2-2

If you push on a wall with a force of 30 N, the force acting on you from the wall is which of the following?

• 0 N

• 10 N

• 20 N

• 30 N

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NGSS.MS-PS2-1

When a bug hits a windshield of a car, the force of the car on the bug equals the force of the bug on the car

• True

• False

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NGSS.MS-PS2-1

Based on Newton's third law of motion, when a person on a skateboard throws a heavy concrete block to the north, the person will be pushed to the ___________.

• north

• south

• east

• west

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NGSS.MS-PS2-1