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A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as in the figure .The force on the pulley by the clamp is ?

A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as in the figure .The force on the pulley by the clamp is ?

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Grade:11

2 Answers

Arun
25750 Points
6 years ago
Force on pulley by the clamp = resultant of T = (M+m)gand mg acting along horizontal and vertical directions respectively F=√[{(M+m)g}^2+(mg)^2] =[√{(M+m)^2+m^2 }]g
Sohum
14 Points
5 years ago
 
I am sorry to say that the answer given above is wrong. But there is only a small mistake that the horizontal force is notmg but it is Mg. And thus the answer chages to √[(M+m)^2+M^2]g. 
 
In future kindly read the question carefully before answering.

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