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When a mass is rotating in a plane about...

When a mass is rotating in a plane about a fixed point, its angular momentum is directed along.

A

the radius

B

the tangent the orbit

C

the line at angle of `45^(@)` to the plane of rotation

D

the axis of rotation

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The correct Answer is:
D
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along the axis of rotation.
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NCERT FINGERTIPS-SYSTEM OF PARTICLES AND ROTATIONAL MOTIONS-Angular Momentum In Case Of Rotations About A Fixed Axis
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