https://wikiprogramming.alfredgg.dev/ 2026-05-13T10:19:24+0000 https://wikiprogramming.alfredgg.dev/ https://wikiprogramming.alfredgg.dev/lib/tpl/dokuwiki/images/favicon.ico text/html 2020-05-09T09:25:10+0000 Anonymous (anonymous@undisclosed.example.com) https://wikiprogramming.alfredgg.dev/doku.php?id=wiki2:physics:definitions&rev=1589016310&do=diff Physics (definitions) Momentum In classical mechanics, linear momentum or translational momentum (pl. momenta; SI unit kg m/s, or equivalently, N s) is the product of the mass and velocity of an object. For example, a heavy truck moving quickly has a large momentum—it takes a large or prolonged force to get the truck up to this speed, and it takes a large or prolonged force to bring it to a stop afterwards. If the truck were lighter, or moving more slowly, then it would have less momentum.