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A time varying force F=2t is applied on ...

A time varying force F=2t is applied on a spool as shown in figure. The angular momentum of the spool at time t about bottommost point is

Text Solution

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The correct Answer is:
(a) `F (cos alpha - r//R)//m(1+gamma)`
(b) `(F^(2)t^(2)cos alpha (R cos alpha - r))/(2mR (1 + gamma))`
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