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A small sphere of mass 'm' is attached t...

A small sphere of mass 'm' is attached to a cord and rotates in a vertical plane about a point `O`. If the average speed of the sphere is increased, the cord is most likely to break at the orientation when the mass is at :
.

A

bottom point `B`

B

the point `C`

C

the point `D`

D

top point `A`

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The correct Answer is:
A
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