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Action-reaction force pairs

Definition

Action-reaction force pairs are a pair of forces that two objects exert on each other. These forces are equal in magnitude but opposite in direction.

Analogy

Imagine playing a game of tug-of-war with your friend. When you pull the rope towards you, your friend pulls back with an equal amount of force in the opposite direction. The harder you pull, the harder your friend pulls back.

Related terms

Newton's Third Law: Newton's Third Law states that for every action, there is an equal and opposite reaction.

Force: Force is a push or pull that can change the motion or shape of an object.

Interaction: An interaction refers to the mutual influence between two objects or systems.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.