rotation motion

VITEEE 2015 Answers › Mechanics questions › rotation motion

a disc of mass M and radius R can rotate freely about a horizontal shaft at S distant r from the centre of mass of the disc 0.the disc is released from postion shown figure,its angular acceleration will be

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Lokesh Verma ·2009-03-08 22:14:10

this is not that tough

moment of inertia about S will be

MR²/2+mr²

force acting is mg.

torque about S is mgr

torque is IÎ±

Equate you are done :)

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rotation motion

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