A ring rolls without slipping on ground. Its centre c moves with a constant speed u. P is any point on the ring. the speed of P with respect to ground is v then -
A
0 ≤ v ≤ 2u
B
V = u, if cP is horizontal Z
C
V = 
u, if cP is horizontal
u, if cP is horizontal
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, c)
Velocity of contact point is minimum is equal to zero and velocity of topmost point is maximum is equal to 2u also when cP is horizontal
V = 
and u = r ω
∴ V = 
u
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