Center of Mass

Pronunciation: /ˈsɛn tər ʌv mæs/ Explain

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. Merriam-Webster. Last Accessed 8/6/2018. http://www.merriam-webster.com/dictionary/center of mass.
  2. center of gravity. merriam-webster.com. Encyclopedia Britannica. Merriam-Webster. Last Accessed 8/6/2018. http://www.merriam-webster.com/dictionary/center of gravity.

Cite this article as:

McAdams, David E. Center of Mass. 6/25/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/c/centerofmass.html.

Revision History

6/25/2018: Removed broken links, updated license, implemented new markup, updated GeoGebra apps. (McAdams, David E.)
1/9/2010: Added "References", 'center of gravity'. (McAdams, David E.)
4/22/2008: Initial version. (McAdams, David E.)

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