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MHT CET 2022 Physics question

PhysicsWork, Energy and PowerMHT CET 2022

A bucket containing water is revolved in a vertical circle of radius r. To prevent the water from falling down, the minimum frequency of revolution required is (g = acceleration due to gravity)

Answer: (C)

Solution

At the highest point the water stays in the bucket if the required centripetal force is at least the weight: . With $v=rω=2π

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Question ID VK-096927