Review: Newton's Third Law and Momentum

What is often referred to as the Law of action and reaction?

• Newton's third law of motion

• The law of gravity

According to Newton's third law of motion, for every action, there is:

• An equal and opposite reaction

• A slightly weaker reaction

A book pushes down on a table with a force of 5N, the table..

• Pushes back with a force of 5N

• Does nothing. A table has no force.

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The forces in a force pair are the ____ strength.

• Same

• Opposite

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The forces two objects apply to each other

• Force Pair

• The Velocity Calculation

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The force that is applied first in a force pair

• Force Pair

• Action Force

The force that responds to the first force in a force pair

• Reaction Force

• Action Force

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The measure of how hard it is to stop a moving object

• Inertia

• Momentum

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The total momentum before an action is equal to the total momentum after the action.

• Law of Conservation of Motion

• Law of Conservation of Momentum

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The forces in a force pair are in ____ direction.

• Opposite

• Same