MHT CET Physics question

A heavy mass is attached at one end of a thin wire and whirled in a vertical circle. The chances of breaking the wire are maximum when [MHT-CET 2021, MHT-CET 2021]

(A)The wire makes an angle of with the horizontal
(B)The mass is at the highest point of the circle
(C)The mass is at the lowest point of the circleCorrect
(D)The wire is horizontal

Answer: (C)

Solution

Tension is (θ from the downward vertical) and is largest at the lowest point where speed is maximum and

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Question ID VK-040968