The Mechanical Universe
Conservation of Momentum. If the mechanical universe is a perpetual clock, what keeps it ticking away till the end of time? Taking a cue from Descartes, momentum - the product of mass and velocity - is always conserved. Newton's laws embody the concept of conservation of momentum. This law provides a powerful principle for analyzing collisions, even at the local pool hall. (from themechanicaluniverse.org)
Lecture 15 - Conservation of Momentum |
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