A particle moves in a circular path with d

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A particle moves in a circular path with decreasing speed. Choose the correct statement.

A

Angular momentum remains constant

B

Acceleration ($\vec a$) is towards the center

C

Particle moves in a spiral path with decreasing radius

D

The direction of angular momentum remains constant

A particle moves in a circular path with decreasing speed. Choose the correct statement.

Angular momentum is a axial vector. It is directed always in a fix direction (perpendicular to the plane of rotation either outward or inward), if the sense of rotation remain same.