Question

two blocks A and B of mass m and M respectively are placed on each other and their combination rests on a fixed horizontal surface c a light string passing over the smooth light pulley is used to connect A and B as shown that coefficient of sliding friction between all surface in contact is u if a is dragged with a force F then for both A and B to move with a uniform speed we have

Answer 1

I don't know what you want therefore I calculated F,T in terms of u , m & M