what is momentum?how does it work what is it's S.I. unit
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Momentum is the product of mass and velocity. Its S.I unit kg metre per second. It can alse be defined as mass in motion.
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In symbols, linear momentum p is defined to be p = mv, where m is the mass of the system and v is its velocity. The SI unit for momentum is kg. m/s. Newton's second law of motion in terms of momentum states that the net external force equals the change in momentum of a system divided by the time over which it changes.
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