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[" A bead of mass "m" is attached to one...

[" A bead of mass "m" is attached to one end of a spring of natural length "R],[" and spring constant "k=((sqrt(3)+1)mg)/(R)" .The other end of the spring is fixed at "],[" point "A" on a smooth vertical ring of radius "R" as shown in figure.Just after "],[" it is released to moth vertical ring of radius "R" as shown in figure.Just after "],[" (A) nomal rection at "B" is "(mg)/(2)],[" (C) net tangential force on bead is "3sqrt(3)mg" ,(D) nomal rection at "B" is "(3sqrt(3)mg)/(2)]

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