Question

52. The pulleys and strings shown
in the figure are smooth and of
negligible mass. For the
system to be in equilibrium, the
angle o should be
1) 0° 2) 30°3 ) 45°
4) 60°​

Answer 1

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A Avinash Dongre

Answered 7 months, 2 weeks ago

@Sudhir Bali

From force diagram shown in figure,

T' =mg

2T'cosθ=2√mg

So solving this we get

cosθ=1/√2

θ=45