Question

A uniform chain of length L Is placed on a rough horizontal table. The coefficient of friction between the chain and the table is m. The maximum length of the chain that can hang from the edge of the table is l.then

Answer 1

Let 'l' be the desired length hanging out so that the chain is in equilibrium chain starts moving when net pulling force is greater than frictional force.  Let m be the mass of length of chain g M/L l = m M/L (L - l)g l = (m/m +1)L