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 massless spring, such that it is half submerged in a liquid of density σ at equilibrium position. the extension of the spring when cylinder is in equilibrium,

Answer 1

Solution :
(Kx0+LA/2σg)=mg
∴x0=Mg/k(1−LAσ2M)