A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at...

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A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension, it will break at
(a) \( \mathrm{A} \)
(b) \( \mathrm{B} \)
(c) \( \mathrm{C} \)
(d) \( \mathrm{D} \)
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