conservation of linear momentum

noun Physics.

the principle that the linear momentum of a system has constant magnitude and direction if the system is subjected to no external force.
Also called law of conservation of linear momentum.

Words nearby conservation of linear momentum

conservation of angular momentum, conservation of baryon number, conservation of charge, conservation of energy, conservation of lepton number, conservation of linear momentum, conservation of mass, conservation of momentum, conservation of parity, conservationist, conservatism