Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider a 
uniform circular disk of radius 
. It is pin supported at its center and is at rest initially. The disk is acted upon by a constant force 
through a massless string wrapped around its periphery as shown in the figure.
Suppose the disk makes 
number of revolutions to attain an angular speed of 
. The value of 
, to the nearest integer, is [Given: In one complete revolution, the disk rotates by 
Text Solution
Verified by ExpertsThe correct answer is:
20
(20) 
No. of revolution 
revolution
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