Q.
The pulley and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle 'θ' should be
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a
0°
b
30°
c
45°
d
60°
answer is C.
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Detailed Solution
Draw FBD of m is T=mgDraw FBD of 2m is 2Tcosθ=2mg
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