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Grade: 11
        A small heavy block is attached to the lower end of a light rod of length l 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?
5 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
							Sol. 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

						
5 years ago
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