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PhysicsNEET 2024Uniform circular motion and relative velocity

Motion in a Plane

A particle moving with uniform speed in a circular path maintains:

  1. A.Constant acceleration
  2. B.Constant velocity but varying acceleration
  3. C.Varying velocity and varying acceleration✓
  4. D.Constant velocity

Solution

In uniform circular motion the speed is constant but the direction of velocity keeps changing, so velocity varies; the centripetal acceleration has constant magnitude but continuously changing direction, so acceleration varies too.

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