A chain of length is placed on a smooth whose some part is

Last updated: 6/12/2023

A chain of length is placed on a smooth whose some part is horizontal and some part is on quarter circular of radius R in the vertical plane as shown Initially the whole part of chain lies in the circular part with one end at topmost point of circular surface If the mass of chain is m then work required to pull very slowly the whole chain on horizontal part is R OR downloaded from allaboutnotes com m 79R sin A gR 2 7gR cos 2 79 sin gR