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A heavy mass is attached to a thin wire and is whirled in a vertical circle.  The wire is most likely to break

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a
When the mass is at the lowest point
b
When mass is at the highest point
c
When wire is horizontal
d
When mass is at an angle cos−1(12)  of  from upward vertical
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detailed solution

Correct option is A

When the mass is at the lowest point tension is maximumT=mv2r+mg

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