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Questions  

A particle moves with a constant velocity parallel to the X-axis. Its angular momentum with respect to the origin [UP CPMT 2015] 

a
is zero
b
remains constant
c
goes on increasing
d
goes on decreasing

detailed solution

Correct option is B

Consider the diagram.As, the particle goes with constant linear velocity, the perpendicular distance of velocity vector from the axis isconstant. So, angular momentum mvr sin θ is constant.

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