Uniform Circular Motion
If an object is rotating at a steady rate, it has uniform circular motion. A point on the perimeter of the object will travel the distance of the circumference 2πr. Since speed is distance/time, the speed v = 2πr/T where T is the time period of one rotation.

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More in Circular Motion
- Angular Displacement
- Angular Speed
- Centripetal Acceleration
- Proof - centripetal acceleration
- Centripetal Force
- On the Road
- The London Eye
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All 9 lessons in Circular Motion · All OCR A-level Physics topics