Question

A person of mass m is standing on a structure made up of pulley, strings and Platform as shown in figure. Find the force exerted by the person on the rope, so that the system (Person + structure) *** in equilibrium.

(a) mg

(b) (m+M'+M)g

(c) (M+M'+m)g/2

(d) of the above

Answer 1

The correct option is (c) (M+M'+m)g/2.

Explanation:

The net force on the system can be calculated directly after drawing the free body diagram.