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3.2 Dynamics of a system of particles
Center of mass of a system
Newtonian mechanics is based on laws extracted from real objects of finite extensions but abstracted to formulation in terms of a particle; and as such would be of little use unless it can be extended to explain the mechanics of real objects, which can be considered as a system of either discrete particles or continuous distribution of matter.
In principle one would have to solve equations of motion for all the particles as are present and that would be an impossible proposition. However additional concepts such as center of mass if introduced, greatly simplify the problem.
Definition of Center of Mass  
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3.1 Dynamics of a particle Follow @Pinkmonkey_com  |