Forum Discussion
10 years ago
"Panderer;13500474" wrote:"Shepherdmoon;13500460" wrote:"Shepherdmoon;13500389" wrote:
Must be no external forces involved...
Awww... no one gets it? How sad...
Sorry, I don't. But mmmmmmmm Moriarty ;)
Mmmmmm, indeed :).
Momentum can only be conserved if there are no external forces acting on the system. Physics is behind everything...