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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

A line perpendicular to the plane of rotation

B

The line making an angle of `45^(@)` to the plane of rotation

C

The radius

D

The tangent to the orbit

Text Solution

Verified by Experts

The correct Answer is:
A
`L= m (vec(r) xx vec(v)), vec(L ) bot vec(r) and vec(L) bot vec(v)`
`bot^(r)` to the plane of rotation.
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