Motion in A Plane

Question: A stone tied with a string, is rotated in a vertical circle. The minimum speed with which the string has to be rotated



1) Is independent of the mass of the stone
2) Is independent of the length of the string
3) Decreases with increasing mass of the stone
4) Decreases with increasing in length of the string
Solution: Explanation: Explanation
Non-uniform-circular-motion

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