1.

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

Answer»

at the CENTRE of the circle
on the circumference of the circle
inside the circle
outside the circle

Solution :We known `(dvecL)/(DT)=tau`
In uniform circular motion the torque about the centre of circle is ZERO. THEREFORE, L = CONSTANT.


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