Science & engineering

Centripetal force calculator

Find the inward force required for uniform circular motion.

Centripetal force calculator
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A clear answer. Here’s how.

Centripetal acceleration a = v²/r; required net inward force F = mv²/r. Assumes a point mass undergoing uniform circular motion. It does not identify the physical force providing that inward acceleration.

See a worked example

Worked example

A fixed demonstration, separate from the values you enter above.

Mass (kg)
2
Tangential speed (m/s)
3
Circular path radius (m)
1

Example result

Centripetal acceleration (m/s²)
9
Inward force (N)
18