A particle undergoes uniform circular motion. About which point on the plane of the circle will the angular momentum of the particle remains conserved?

Question

A particle undergoes uniform circular motion. About which point on the plane of the circle will the angular momentum of the particle remains conserved? (A) Centre of the circle (B) On the circumference of the circle (C) Inside the circle (D) Outside the circle

Tardigrade Admin · Accepted Answer

Force does not produce any torque because it passes through the centre (Point of rotation) and we know that if τ=0 then L = constant.

Q. A particle undergoes uniform circular motion. About which point on the plane of the circle will the angular momentum of the particle remains conserved?

Centre of the circle

On the circumference of the circle

Inside the circle

Outside the circle

Force does not produce any torque because it passes through the centre (Point of rotation) and we know that if $τ = 0$ then $L$ = constant.