Physics 101- Introduction to Mechanics
March 25- Energy in Rotating Systems

 

 

 

 
 

 

  This is the one point within an object that moves as if all of the mass of the object were concentrated at the point and all of the external forces were acting there.

In effect, whenever we have reduced our previous objects to point masses we have reduced them down to a point mass located at the objectís center of mass.  When gravity acts on an object when can say that it acts solely on the center of mass.
 
 
 
 

 

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Jeff Phillips
phillips@lmu.edu
Loyola Marymount University
Spring 2002