BRAINCAKEProof - centripetal acceleration
Consider an object travelling with uniform circular motion at speed v moving in a sort time-interval δt along the perimeter of a circle radius r. Let the distance moved by the object in that time be δs. If the distance is small, then δs can be considered to be a straight line.
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Key terms in this lesson
- uniform circular motion
- Motion in a circle at a constant speed, where the direction of velocity continually changes.
More in Circular Motion
- Uniform Circular Motion
- Angular Displacement
- Angular Speed
- Centripetal Acceleration
- Centripetal Force
- On the Road
- The London Eye
- A Spin Dryer
All 9 lessons in Circular Motion · All OCR A-level Physics topics