Frictional torque

A uniform solid right-circular cone of mass MM and radius RR is kept on a rough horizontal floor (coefficient of friction μ\mu) on its circular base. It is spun with initial angular velocity ω0\omega_{0} about its symmetry axis. Neglecting toppling effects (if any), find the time after which it stops spinning.


Details and Assumptions:

  • Take the moment of inertia of the cone about its symmetry axis as II.

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