\(X\) | 0 | 1 | 2 |
\(P(X)\) | \(\frac{25}{36}\) | k | \(\frac{1}{36}\) |
A wooden block of mass M lies on a rough floor. Another wooden block of the same mass is hanging from the point O through strings as shown in the figure. To achieve equilibrium, the coefficient of static friction between the block on the floor and the floor itself is