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

Conservation of Angular Momentum

Question

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.

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