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Homework Help: Rotating hoop with body fixed inside of same mass

  1. Jul 10, 2014 #1

    A small body A is fixed to the inside of a thin rigid hoop of radius R and mass equal to that of the body A. The hoop rolls without slipping over a horizontal plane; at the moments when the body A gets into the lower position, the center of the hoop moves with velocity v0. At what values of v0 will the hoop move without bouncing?

    2. Relevant equations
    One equation will be the energy equation. The velocity of hoop and mass A will reduce as the body A is gaining the potential energy.

    3. The attempt at a solution

    Attached Files:

  2. jcsd
  3. Jul 12, 2014 #2

    Andrew Mason

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    Homework Helper

    What will cause the hoop to bounce? Think of the force on the mass A and the centripetal force required to keep it rotating when mass A is at its highest point (highest velocity).


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