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A 1kg stone at the end of 1m long string...

A `1kg` stone at the end of `1m` long string is whirled in a vertical circle at a constant speed of `4m//s`. The tension in the string is `6N`, when the stone is at `(g=10m//s^(2))`

A

top of the circle

B

bottom of the circle

C

halfway down

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
At top of the circle
`T=(mv^(2))/(l)-mg`
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