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MHT CET Physics question

PhysicsWork, Energy and PowerMHT CET

A stone of mass 'm' is tied to a string of length 'L' and moved in a vertical circle at the rate of 'n' revolutions per minute. The tension in the string when it is at its lowest point is [g = acceleration due to gravity] [MHT-CET 2023]

Answer: (D)

Solution

At the lowest point with , so

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Question ID VK-039620