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Questions  

A particle moves in a circular path with decreasing speed. Which of the folowing is correct.

a
Angular momentum of the particle is constant
b
Only the direction of  angular momentum is constant
c
The net acceleration of the particle is towards centre
d
It will move in a spiral path and finally reach  the centre

detailed solution

Correct option is B

It has a tangential deceleration so net acceleration changes but direction of angular velocity and angular momentum remain unchanged.

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