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A body of mass 1 kg is suspended from...

A body of mass 1 kg is suspended from a string 1 m long it is rotated in a vertical circle , what is the tension in the string when it is horizontal and the speed of the body is 2m/s ?

A

4 N

B

3N

C

2 N

D

1N

Text Solution

Verified by Experts

The correct Answer is:
A
Tension (T ) ` = ( mv^(2))/(R ) = ( 1xx2^(2))/( 1) = 4N`
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