Q.
A symmetrical uniform solid cube of side $5 \, m$ is placed on a horizontal surface beside a vertical wall, one side of the cube is making an angle $45^\circ $ with the floor as shown. If coefficient of friction $\mu $ is the same for both wall and floor, the minimum value of $\mu $ so that cube does not slip

NTA AbhyasNTA Abhyas 2020Laws of Motion
Solution: