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A disc of mass m and radius R, is placed...

A disc of mass m and radius R, is placed on a smooth text service fixed surface . Point A is the geometrical centre of the disc while point B is the centre of mass of the disc . The moment of inertia of the dics about an axis through its centre of mass and perpendicular to the plane of the figure is I .A constant force F is applied to the top of the disc . The acceleration of the centre A of the disc at the instant B is below A (on the same vertical line ) will be :

A

`F/m`

B

`F/m+(3FR^2)/(4I)`

C

`F/m+(FR^2)/(4I)`

D

`F/m+(3FR^2)/(I)`

Text Solution

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The correct Answer is:
B
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