Published by:
CGP EDU Academic Team
Published on: September 11, 2026
A disc with a flat small bottom beaker placed on it at a distance R from its center is revolving about an axis passing through the center and perpendicular to its plane with an angular velocity 
. The coefficient of static friction between the bottom of the beaker and the surface of the disc is 
. The beaker will revolve with the disc if:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For beaker to move with disc
f s = m 
2 R
We know that f s 
f smax
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