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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Block of mass m are released from rest and they slide down the inclined surface as shown in figure. Show that the work done by the frictional forces on the blocks are same in all the cases. Also calculate the speeds with which the blocks reach point B. The coefficient of friction for all the surface is muk.

Block of mass m are released from rest and they slide down the inclined surface as shown in figure. Show that the work done by the frictional forces on the blocks are same in all the cases. Also calculate the speeds with which the blocks reach point B. The coefficient of friction for all the surface is muk.

A uniform chain of mass m and length ℓ is at the verge of sliding under the effect of gravity of the hanging part. Find the coefficient of friction between chain and table