A mass M is suspended by a rope from a rigid support at A, as shown in the figure. Another rope is tied at the end B, and it is pulled horizontally with a force F. If the rope AB makes an angle 
with the vertical in equilibrium, then the tension in the string AB is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Point A is massless, so net force acting on it must be zero, otherwise it will have 
acceleration.
[Equilibrium of B in horizontal direction]
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