Center of Mass

Pronunciation: /ˈsɛn tər ʌv mæs/ ?

The center of mass of an object is the geometric center of the object that acts as the center of gravity.[1] For 2-dimensional objects, this is the point on which the object will balance if placed on a pin. For 3-dimensional objects, this is point that acts a the center of gravity for the object.

The center of mass of a sphere is the center of the sphere. The center of mass of a triangle is the centroid of the triangle.

References

  1. center of mass. merriam-webster.com. Encyclopedia Britannica. (Accessed: 2010-01-04). http://www.merriam-webster.com/dictionary/center of mass.
  2. center of gravity. merriam-webster.com. Encyclopedia Britannica. (Accessed: 2010-01-04). http://www.merriam-webster.com/dictionary/center of gravity.

Cite this article as:


Center of Mass. 2010-01-09. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/c/centerofmass.html.

Translations

Image Credits

Revision History


2010-01-09: Added "References", 'center of gravity' (McAdams, David.)
2008-04-22: Initial version (McAdams, David.)

All Math Words Encyclopedia is a service of Life is a Story Problem LLC.
Copyright © 2005-2011 Life is a Story Problem LLC. All rights reserved.
Creative Commons License This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License