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

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:

A

`(r^(2)t^(2))/R`

B

`((R+r)^(2))/r t^(2)`

C

`(R+r)t^(2)`

D

data is insufficient

Text Solution

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The correct Answer is:
C
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