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A wheel of radius 20 cm and moment of in...

A wheel of radius 20 cm and moment of inertia `1` `kgm^2` can rotate about its centre.A string is wrapped over its rim and is pulled by a force 'F' tangential to the rim of wheel.If angular acceleration produced is 2 rad/ `s^2` then the value of force 'F' is

A

`10` N

B

`20` N

C

`5` N

D

`15` N

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