{"id":313,"date":"2018-08-07T20:35:00","date_gmt":"2018-08-07T20:35:00","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/louisville-wm-physics\/?post_type=chapter&#038;p=313"},"modified":"2019-07-18T18:11:54","modified_gmt":"2019-07-18T18:11:54","slug":"why-it-matters-conservation-of-momentum","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/louisville-wm-physics\/chapter\/why-it-matters-conservation-of-momentum\/","title":{"raw":"Why It Matters: Conservation of Momentum","rendered":"Why It Matters: Conservation of Momentum"},"content":{"raw":"With energy, we saw that you can define a system of objects, let them interact, and as long as no work is done on the system by a non-conservative force to either add energy to the system or take energy away, energy will be conserved.\u00a0 This principal, known as conservation of energy, is fundamental to our understanding of the physical world. \u00a0There is a similar conservation law for momentum that is equally fundamental to our understanding of the universe.\u00a0 For a system of particles, if the net impulse exerted on the system by external forces is zero, then linear momentum is conserved.\u00a0 What this means is that for an isolated system, the change in the momentum of the individual particles must add up in exactly the right way to always cancel out.\u00a0 As a result, we can use conservation of momentum to determine the initial or final momentum of the pieces of a system who only interaction is with each other.","rendered":"<p>With energy, we saw that you can define a system of objects, let them interact, and as long as no work is done on the system by a non-conservative force to either add energy to the system or take energy away, energy will be conserved.\u00a0 This principal, known as conservation of energy, is fundamental to our understanding of the physical world. \u00a0There is a similar conservation law for momentum that is equally fundamental to our understanding of the universe.\u00a0 For a system of particles, if the net impulse exerted on the system by external forces is zero, then linear momentum is conserved.\u00a0 What this means is that for an isolated system, the change in the momentum of the individual particles must add up in exactly the right way to always cancel out.\u00a0 As a result, we can use conservation of momentum to determine the initial or final momentum of the pieces of a system who only interaction is with each other.<\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-313\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li>Why It Matters: Conservation of Momentum. <strong>Authored by<\/strong>: Raymond Chastain. <strong>Provided by<\/strong>: University of Louisville, Lumen Learning. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":29,"menu_order":1,"template":"","meta":{"_candela_citation":"[{\"type\":\"original\",\"description\":\"Why It Matters: Conservation of Momentum\",\"author\":\"Raymond Chastain\",\"organization\":\"University of Louisville, Lumen 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