A stone of mass m is tied to a string and is moved in a vertical circle of radius r and has angular velocity n rev min at bottom

Question

A stone of mass m is tied to a string and is moved in a vertical circle of radius r and has angular velocity n rev min at bottom most point The tension in the string when the stone is at the lowest point is 1 mg 3 m g nr 2 m g nr Las m g 7 n r 900

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