PHYS 1501Q Chapter Notes - Chapter 10, 11: Kinetic Energy, Inelastic Collision, Point Particle
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19 Dec 2017
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PHYS 1501Q Full Course Notes
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System of particles and the center of mass. Center of mass - average location of the mass of an object. Center of the object for simple geometrically symmetrical shapes with uniform density. Take the weighted average of the individual parts. Rcm = m r +m r +m r. If the two masses are equal, then the center of mass is the distance between the two objects. If the two masses are unequal, then the center of mass will be closer to the object with greater mass. Center of mass depends on the system itself, and not the orientation. Center of mass of a rigid system is the balance point. Treat each object as a point particle with all of its mass at its center of mass. V cm = m t otal i=1. F net a = m (newton"s 2nd law) . *note if there are no outside forces then the center of mass doesn"t change: conservation of momentum.