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A bob of mass m attached to an inextensi...

A bob of mass m attached to an inextensible string of length l is suspended from a verticle support. The bob rotates in a horizontal circle with an angular speed `omega "rad"//s` about the verticle. About the point of suspension.

A

`l//cos theta`

B

`l sin theta`

C

`l//sin theta`

D

`l cos theta`

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The correct Answer is:
D
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