A block of mass M is held against a rough vertical wall by

Last updated: 6/24/2023

A block of mass M is held against a rough vertical wall by pressing it with a finger If the coefficient of friction between the block and the wall is and acceleration due to gravity is g the minimum force required to be applied by the finger to hold the block against wall is 1 3 Mg Mg M 1 2 Mg 4 1 Mg