# Circular Motion

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- Created by: jellybean8
- Created on: 21-04-14 16:43

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- Circular motion
- Angular displacement (in radians) = length of arc / radius
- If an object moves all the way round the circle: Angular displacement = circumference / radius =

- If an object moves all the way round the circle: Angular displacement = circumference / radius =
- One radian is the angle subtended at the centre of the circle by an arc of length equal to the radius of the circle.
- The object's velocity is at a tangent to the circle
- Speed = Distance / Time =
- Acceleration of the object acts towards the centre of the circle
- The resultant force acts towards the centre of the circle. This is Centripetal Force.

- Angular displacement (in radians) = length of arc / radius

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