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### Question

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

- When the mass is at the highest point of the circle
- When the mass is the lowest point of the circle
- When the wire is horizontal
- At an angle of from the upward vertical

#### The correct answer is: When the mass is the lowest point of the circle

#### Because here tension is maximum

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