力学动量与动量矩区别与联系

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Differences and Relations between Mechanical Momentum and Moment of Momentum

Mo Yi-fei

(Department of Physics and Electrical Engineering, College of Hechi, Yizhou , Guangxi 546300，China)

Abstract: This paper covers specific discussion of momentum and moment of momentum of particle and the particle group, the similarities and differences of its definition, theorem and conservation in inertial system and non-inertial system in classical mechanics as well as their differences and links .Through the contrast,we can clearly find out the differences and the relations ,thus advancing our understanding and application to them.

Key words: Momentum; Moment of momentum;Differences and relations; Inertial system; Non-inertial system