Candidates should be able to:
- understand the concept of angular speed for a particle moving in a circle, and use the relation v=rωv=rω
- understand that the acceleration of a particle moving in a circle with constant speed is directed towards the centre of the circle, and use the formulae rω2rω2 and v2rv2r. (Proof of the acceleration formulae is not required.)
- solve problems which can be modelled by the motion of a particle moving in a horizontal circle with constant speed
- solve problems which can be modelled by the motion of a particle in a vertical circle without loss of energy. (Including finding a normal contact force or the tension in a string, locating points at which these are zero, and conditions for complete circular motion.)
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