๐ŸŽกap physics 1 review

Action-Reaction Pairs of Forces

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Action-reaction pairs of forces are a concept derived from Newton's Third Law. They describe the relationship between two objects where one object exerts a force on another, and the second object exerts an equal but opposite force back on the first object.

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