A plank of mass 3m is placed on a rough inclined plane and a man of mass m, the
Channel: Doubtnut
Date: 12/04/2020

A plank of mass 3m is placed on a rough inclined plane and a man of mass m, the coefficient of friction between the board and inclined plane is `mu = 0.5`, the minimum acceleration of man so that plank does not slide is :