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 .
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 .
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012