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23, A bead of mass m is attached to one end of a spring3oi atural length R and spring(N3+1KThe other end of theparing is fixed at a point Aon asmooth vertical ring of radius Ras shown in the figure. The Anormal reaction at B just after itis relcased to move is:30°(a) mg2(c) 3/3 mg(b)mg33 mg/2 |
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