conservation of momentum


noun

the principle that the total linear or angular momentum in any isolated system is constant, provided that no external force is applied

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Scientific definitions for conservation of momentum

conservation of momentum

A conservation law stating that the total linear momentum of a closed system remains constant through time, regardless of other possible changes within the system.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.