AQA A A2 PHYSICS- CIRCULAR MOTION

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  • Created by: Lilli
  • Created on: 15-12-15 16:35

CIRCULAR MOTION

Radian- the angle subtended at the centre of the circle by an arc of the circle, whose length is equal to the radius of the circle.

Angular displacement- the angle moved through relative to a specific axis.

Angular velocity-the rate of change of angular displacement with time.

Centripetal Acceleration

Objects moving in a circle have changing velocity, which is always along the tangent of the circle. Any moving object at constant acceleration has a centripetal force acting on it. 

Examples of centripetal forces:

  • Jupiter obiting the sun has a centripetal force of gravitational

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