Options 1 A small disc of mass I gm slides down a smooth

Last updated: 6/14/2023

Options 1 A small disc of mass I gm slides down a smooth hill of height 10 m from rest and gets on to a plank of mass 100 gm as shown in the figure Due to friction between the disc and the plank the disc slows down and moves as one piece with the plank The work done by the frictional force is approximately Use g 10 ms 2 0 01 J 10 J 0 1 J 100pm