Work, Power and EnergyHard

Question

A uniform cylinder of length L and mass M having cross- sectional area A is suspended, with its length vertical, from a fixed point by a mass less spring, such that it is half submerged in a liquid of density σ at equilibrium position. The extension x0 of the spring when it is in equilibrium is :

Options

A.
B.
C.
D.

Solution

At equilibrium Kx0 = Mg - B



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