The double-collar bearing is subjected to an axial force P = 16 kN. Assuming that collar A...

The double-collar bearing is subjected to an axial force P = 16 kN. Assuming that collar A supports 0.75P and collar B supports 0.25P, both with a uniform distribution of pressure, determine the smallest torque M that must be applied to overcome friction. Take µs = 0.2 for both collars.