1.

In an orbital motion, the angular momentum vector is ………….

Answer»

along the radius VECTOR
parallel to the linear MOMENTUM
in the orbital plane
perpendicular to the orbital plane

Solution :
In orbital motion, the angular momentum vector is perpendicular to the plane in which the rotational motion TAKE place and its sense is given by the right hand rule. The angular momentum of a body is `vecL=I.vecomega`. When the fingers of right hand point in the DIRECTION of motion, the thumb is the direction of `vecL` (angular momentum) so, vector of angular momentum is perpendicular to plane of orbit.


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