Newtons 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 initial force exerted by one object on 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 on the first object, equal in magnitude and opposite in direction.

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NGSS.MS-PS2-1

Front

In the context of an archer shooting an arrow, what is the action force?

Back

The bowstring pushing against the arrow.

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NGSS.MS-PS2-1

Front

In the context of an archer shooting an arrow, what is the reaction force?

Back

The arrow pushing back against the bowstring.

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NGSS.MS-PS2-1

Front

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

Back

Walking: when you push your foot backward against the ground, the ground pushes you forward.

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NGSS.MS-PS2-1

Front

What are force pairs?

Back

Force pairs are the action and reaction forces that occur simultaneously between two objects.

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NGSS.MS-PS2-1

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change the motion of an object, while unbalanced forces cause a change in motion.

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NGSS.MS-PS2-2

Front

What happens when a rocket expels exhaust?

Back

The rocket moves forward due to the reaction force of the exhaust being pushed backward.

Tags

NGSS.MS-PS2-1

Front

What is air resistance?

Back

Air resistance is a force that opposes the motion of an object through the air.