AB is a light rigid rod, which is rotating about a vertical axis passing through end A . A spring of force constant k and natural length 
is attached at A and its other end is attached to a small bead of mass m. The bead can slide without friction on the rod. At the initial moment, the bead is at rest (w.r.t the rod) and the spring is unstretched. Select incorrect options :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Velocity will be maximum at the equilibrium position
Now, using work-energy theorem
KE = Work done by all the forces
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