Rotational MotionHard

Question

A uniform thin stick of length  and mass m is held horizontally with is end B hinged at a point B on the edge of table. Point A is suddenly released. The acceleration of the centre of mass of the stick at the time of release is : -
                                           

Options

A.g
B.g
C.g
D.g

Solution


For angular motion of the stick τ = mg  = Iα
moment of inertia of stick about B is I =
Acceleration of centre of mass =

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