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NEETPhysicsRotational Motion

A disc of radius R is rotating with an angular speed ω o about a horizontal axis. It is placed on a horizontal table. The coefficient of kinetic friction is µ k .What was the velocity of its centre of mass before being brought in contact with the table.

Options

  1. Aμ k ω o R
  2. Bμ k Rω o
  3. CZero
  4. Dμ k Rω o 2

Correct answer

C. Zero

Step-by-step solution

Correct Option is : (C) Zero

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