Momentum
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Momentum
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Quantity of motion.
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Linear momentum is the quantity obtained by multiplying the mass of a
body by its linear speed. Angular momentum is the quantity obtained by
multiplying the moment of inertia of a body by its angular speed.
The
momentum of a system of particles is given by the sum of the momentums of the
individual particles which make up the system or by the product of the total
mass of the system and the velocity of the center of gravity of the system.
The momentum of a continuous medium is given by the integral of the
velocity over the mass of the medium or by the product of the total mass of
the medium and the velocity of the center of gravity of the medium.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use