GlenCalc

Centripetal force calculator

Anything moving in a circle needs a force toward the center.

Your answer

Centripetal force8,000 N
Acceleration8 m/s²
In g0.816 g
Revolutions per minute3.82 RPM

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How we worked it out

Updated as you change the numbers.

  1. a = v² ÷ r; F = m × v² ÷ r.

Method and assumptions

For a car on a flat curve this force comes from tire friction.

Questions

What force keeps a 1,000 kg car at 20 m/s on a 50 m curve?

8,000 N (0.82 g).

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

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