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 x₀ of the spring when it is in equilibrium is

( a ). Mg / k

( b ). Mg /k { 1 - LAσ / M }

( c ). Mg / k { 1 - LAσ / 2M }

( d ). Mg / k { 1 + LAσ / M }

Answer 1

Net force acting downwards = mg - buoyant force

Wait refer to attachment