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A mass M is suspended by a rope from a r...

A mass M is suspended by a rope from a rigid support at A as shown in figure. Another rupe is tied at the end B, and it is pulled horizontally with a force. If the rope AB makes an angle `theta` with the vertical in equilibrium then the tension in the string AB is

A

`Fsin theta`

B

`F //sintheta`

C

`F cos theta`

D

`F//cos theta`

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The correct Answer is:
B
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