37 A floor mat of mass M made up of extensible material is

Last updated: 6/10/2023

37 A floor mat of mass M made up of extensible material is rolled along its length so as to form a cylinder of radius R and kept on a rough horizontal surface If the mat is now unrolled without sliding R to a radius the decrease in potential energy is 2 a MgR c MgR 8 5 b MgR d MgR