Question

three blocks weighing 20 lb, 10 lb and 5 lb are connected by light strings taht pass over a frictionless pulleys as shown in the figure below. the acceleration of the system is 5ft/s^2 to the left, and the surfaces are rough. find (a) the tension in each string and (b) the coefficient of kinetic friction between the blocks and the surfaces.

Answer 1

@sauravshakya

Answer 2

@K0GA @hartnn

Answer 3

a)