The relation between momentum conservation and Newton's third law revisited

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dc.creatorDiaz, Rodolfo A.
dc.creatorHerrera, William J.
dc.date2004-05-19
dc.date2006-01-16
dc.date.accessioned2026-07-07T06:36:55Z
dc.date.available2026-07-07T06:36:55Z
dc.descriptionUnder certain conditions usually fulfilled in classical mechanics, the principle of conservation of linear momentum and Newton's third law are equivalent. However, the demonstration of this fact is usually incomplete in textbooks. We shall show here that to demonstrate the equivalence, we require the explicit use of the principle of superposition contained in Newton's second law. On the other hand, under some additional conditions the combined laws of conservation of linear and angular momentum, are equivalent to Newton's third law with central forces. The conditions for such equivalence apply in many scenarios of classical mechanics; once again the principle of superposition contained in Newton's second law is the clue.
dc.description3 pages, no figures, format changed, minor typos corrected, abstract in English and Spanish. Version to appear in Revista Mexicana de Fisica
dc.identifierhttps://arxiv.org/abs/physics/0405099
dc.identifierhttp://arxiv.org/abs/physics/0405099
dc.identifierRevista Mexicana de Fisica E 51 N. 2 (2005) 99-101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100248
dc.subjectClassical Physics
dc.subjectGeneral Physics
dc.titleThe relation between momentum conservation and Newton's third law revisited
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