Glossary · term

Angular momentum

Mechanics

Domain
Mechanics

Definition

What a spinning or orbiting body keeps unless a torque acts on it: moment of inertia times angular velocity, or r × p. Why a gyroscope holds, a skater spins up, and a planet sweeps equal areas in equal times.

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From the Glossary database in Notion, last edited 2026-08-18. This page is the row, rendered by the build; nothing on it is written by hand.