2010•Journal of Anqing Teachers CollegeRequires access

Discussion on Conservation of Angular Momentum in Collision of a Particle and a Free Uniform Rod

Zhao Li-yun

Abstract

It is concluded that the angular momentum of a particle and a free uniform rod with respect to arbitrary reference point is conserved in their collision on the frictionless horizontal.When choosing the center of mass of rod and the center of mass of rod-particle as two different reference points,the results of applying law of conservation of angular momentum are given.It is proved that the two results are equivalent.

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Key concepts: Angular momentum, Center of mass (relativistic), Collision, Conservation law, Physics, Classical mechanics, Point (geometry), Total angular momentum quantum number