1.

Whch of the following statements is incorrect ?

Answer»

In PURE translation motion , every particle of the body moves with the same velocity at any instant of time .
In rotation about a fixed axis , every particle of the rigid body moves in a circle which LIES in a planeperpendicular to the axis and has its centre on the axis
The centre of gravity of a body coincides with its centre of mass only if the gravitational field does not vary from ONE part of the body to the other .
The angular MOMENTUM L and the angular velocity `vecomega` are necessarily parallel vectors .

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