A particle is in uniform circular motion in a horizontal plane. Its angular momentum is constant about point P when the P is taken at

Engineering

Physics

Angular Momentum and Conservation of Angular Momentum

Circular Motion in Vertical Plane

Forces and Types of Forces

Question

A particle is in uniform circular motion in a horizontal plane. Its angular momentum is constant about point P when the P is taken at

centre of the circle

any point inside the circle.

any point outside the circle.

any point on the circumference of the circle.

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F_net on the particle always passes through centre, so t would be zero only about centre at any instant. Thus $\vec{L}$ constant about centre.