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A spool of mass M and radiuis 2R lies on...

A spool of mass M and radiuis 2R lies on an inclined plane as shown in figure. A light thread is wound around the connecting tube of the spol and its free end carries a weight of mass m. The value of m so that system is in equillibrium is

A

`2Msinalpha`

B

`Msinalpha`

C

`2Mtanalpha`

D

`Mcosalpha`

Text Solution

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The correct Answer is:
A
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