78 A disc of mass M and radius R is placed on a rough

Last updated: 6/9/2023

78 A disc of mass M and radius R is placed on a rough horizontal surface A light rod of length 2R is fixed to the disc at point A as shown in the figure and 3 force Mg is applied at the other end of the rod 2 Find the minimum value of coefficient of friction upto one decimal place between disc and horizontal surface so that disc starts to roll without slipping a 0 2 c 0 6 RIA R 2R b 0 4 d 0 8 32 Mg