A bead of mass m can slide freely along a smooth vertical ring of radius R. The maximum angular velocity of the ring about a vertical axis for which the lowest position of ring would be the only steady position of the bead, is given by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
N cos θ θ = mg
N sin θ θ = m ω ω 2 (R sin θ θ )
∴ ∴ cos θ θ = g/ ω ω 2 R
For θ θ = 0, ω ω = 
Hence the correct choice is
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