Glossary · term

Centripetal acceleration

Mechanics

Aliases
centripetal, centrifugal
Domain
Mechanics

Definition

The inward acceleration of anything moving on a curve, v²/r, needed just to keep turning at constant speed. Supplied by gravity for an orbit, by the road for a car, by the tension in a string. "Centrifugal" is the same thing seen from the turning frame.

Open on the Glossary shelf — the interactive card, the filters, and everything alongside it.

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.