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A particle moves in a circular path with...

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 centre

C

particle moves in a spiral path with decreasing radius

D

the direction of angular momentum remains constant

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The correct Answer is:
D
`L=mVR`, hear `V` decrease so `L` never be constant, also `vec(a)_(r) & vec(a)_(t)` both are acting & third point contradicts the given question. But direction `vec(L)` is always constants.
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