A symmetrical uniform solid cube of side 5 m is placed on a horizontal surface beside a vertical wall, one side of cube is making an angle 45° with the floor as shown. If coefficient of friction μ is the same for both wall and floor, the minimum value of μ for cube not to slip?
(A) μ = 1
(B) μ = 0
(C) μ = 1/3
(D) impossible to balance for any value of .
