A heavy mass is attached to a thin wire an

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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

A

When the mass is at the highest point of the circle

B

When the mass is at the lowest point of the circle

C

When the wire is horizontal

D

At an angle of ${\cos ^{ - 1}}(1/3)$ from the upward vertical

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

Because here tension is maximum.