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NEET2005PhysicsRotational MotionActual

A drum of radius R and mass M rolls down without slipping along an inclined plane of angle . The frictional force:

Options

  1. Adissipates energy as heat
  2. Bdecreases the rotational motion'
  3. Cdecreases the rotational and translational motion
  4. Dconverts translational energy to rotational energy

Correct answer

D. converts translational energy to rotational energy

Step-by-step solution

Required frictional force converts translational energy into rotational energy.

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