We will start by studying the motion of a particle. We think of particle as a body which has mass, but has negligible dimensions. Treating bodies as particles is, of course, an idealization which involves an approximation. This approximation may be perfectly acceptable in some situations and not adequate in some other cases. For instance, if we want to study the motion of planets it is common to consider each planet as a particle
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In this course we will study Classical Mechanics. Particle motion in Classical Mechanics is governed by Newton's laws and is sometimes referred to as Newtonian Mechanics. These laws are empirical in that they combine observations from nature and some intuitive concepts. Newton's laws of motion are not self evident. For instance, in Aristotelian mechanics before Newton, force was thought to be required in order
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Appendix B Closure for Three-Dimensional Boundary Layer Equations B. 1-2 Coordinate Definitions 1Streamwise Direction 2=Crossflow Direction
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Chapter 3 Integral Boundary Layer Equations for Three-Dimensional Flows 3.1 Definitions The three-dimensional integral boundary layer equations derived using a Cartesian coordi- nate system are:
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