A particle undergoes uniform circular motion. About which point on the plane of the circle, will the angular momentum of the particle remain conserved?
A
centre of the circle
B
on the circumference of the circle.
C
inside the circle
D
outside the circle.
Text Solution
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The correct Answer is:
A
(a) The net force acting on a particle undergoing uniform circular motion is centripetal force which always passes through the centre of the circle. The torque due to this force about the centre si zero, therfore, `vecL` is conserved about O.
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