A ball of radius r lies at the bottom of a vertical ring of radius R, find the minimum velocity to be given so that the ball completes the loop rolling without slipping.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
+ 
= 4mg(R - r) + 
+ 
= 4mg(R - r) + 
= 4mg(R - r) + 
m[g(R - r)]
or v bott = 
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