Question

give me solution of 37 and 38..fast

Answer 1

The answer for 37 is :
1/2 (M+m)g
For the system to be in equilibrium the forces acting must be equal.
Mass of the frame = M
Mass of the man = m
So, the total mass of the system = M+m
As the acceleration due to gravity acts on the system (g) and the pulley reduces the force to be exerted in half,
F = 1/2 (M+m)g

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