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A body of mass m is tied to a string of ...

A body of mass m is tied to a string of length l and whirled in a verticle cirlce. The velocity of the body at the lowest position is u. Then the tension in the string at a position when the string makes an angle `theta` with the vertical is

A

`(m u^2)/l`

B

`(m u^2)/l+mg costheta`

C

`(m u^2)/l+mg (2costheta-3)`

D

`(m u^2)/l+mg (3costheta-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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