The Mechanical Universe
Vectors. Physics must explain not only why and how much, but also where and which way. Mathematicians and physicists invented a way of describing quantities that have direction as well as magnitude. Laws that deal with distance and speed are universal. And vectors, which describe quantities such as displacement and velocity, universally express the laws of physics in a way that is the same for all coordinate systems. (from themechanicaluniverse.org)
Lecture 05 - Vectors |
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