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centre of mass

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
centre of mass
n
(Physics / General Physics) the point at which the mass of a system could be concentrated without affecting the behaviour of the system under the action of external linear forces
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.centre of mass - point representing the mean position of the matter in a body
center of mass
midpoint, centre, center - a point equidistant from the ends of a line or the extremities of a figure
center of buoyancy, center of immersion, centre of buoyancy, centre of immersion - (physics) the center of mass of the immersed part of ship or other floating object
barycenter - (astronomy) the common center of mass around which two or more bodies revolve
centroid - the center of mass of an object of uniform density


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? Mentioned in ? References in periodicals archive
 
When describing the scattering off a nucleus of mass number A in the laboratory system, one often includes the kinematical transformation from the centre of mass system by defining the bound scattering length b = [[A + 1]/A]a.
Measurement of the coherent neutron scattering length of [.sup.3]He by Rauch, H. / Journal of Research of the National Institute of Standards and Technology
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