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Noun
1. momentumPhysics
Noun
2. amount of exercise
Wikipedia definition
3. MomentumIn classical mechanics, linear momentum or translational momentum is the product of the mass and velocity of an object: Like velocity, linear momentum is a vector quantity, possessing a direction as well as a magnitude. Linear momentum is also a conserved quantity, meaning that if a closed system is not affected by external forces, its total linear momentum cannot change.
Read “Momentum” on English Wikipedia
Read “運動量” on Japanese Wikipedia
Read “Momentum” on DBpedia

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