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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When the mass is at the lowest point

When mass is at the highest point

When wire is horizontal

When mass is at an angle cos−1(12) of from upward vertical

answer is A.

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Detailed Solution

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

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