A small heavy block is attached to the lower end of a light rod of len – InterviewSolution

InterviewSolution

1.	A small heavy block is attached to the lower end of a light rod of length 1 which can be rotated about its clamped upper end. What minimum horizontal velocity should the block be given so that it moves in a complete vertical circle ?
Answer» Let the velocity of the body at A is ‘V’ for minimum velocity given at A velocity of the body at point B is zero. Applying law of conservation of energy at A & B ,½ mv²= mg (2ℓ) ,v =√(4gl) = 2 √(gl)

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