AP PHYSICS Chapter 2 Notes Serway/Faughn College Physics Seventh Edition
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AP PHYSICS 2012-2013 Austin Clark Serway/Faughn College Physics Seventh Edition Introduction The goal of physics is to provide an understanding of the physical world by developing theories based on experiments. A physical theory is a guess. The basic laws of physics involve such physical quantities as force, velocity, volume, and acceleration, all of which can be described in terms of more fundamental quantities. In mechanics, the three most fundamental quantities are length (L), mass (M), and time (T); all other physical quantities can be constructed from these. Standards of Length, Mass, and Time A certain physical quantity or a unit SI = Syst?me International
