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The tension in the string revolving in a...

The tension in the string revolving in a vertical circle with a mass m at the end which is at the lowest position

A

`(mv^(2))/(r)`

B

`(mv^(2))/(r) - mg`

C

`(mv^(2))/(r)+ mg `

D

`mg`

Text Solution

Verified by Experts

The correct Answer is:
C
T=Centrifugal force +weight`=(mv^(2))/(r)+mg.`
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