Final Exam Study Guide

Final Exam Study Guide - Statics F inal Exam Study Guide L...

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Right Face Left Face Statics Final Exam Study Guide Force: a mechanical action exerted by one physical body on another o External: loads – force exerted on a body by the external world; reactions – forces which constrain a body against motion induced by loads o Internal: forces acting between different parts of a structure Dot product: used to find the orthogonal component of one vector in the direction of the other o Statically indeterminate: more unknown forces and reactions than equations Moment: the measure of the tendency of a force to rotate a body (i.e. bending, flexure, torsion) o Moment about a point: o Moment about a line: Couple: a pair of forces, equal in magnitude but having opposite directions and different parallel lines of action o The moment of a couple is the same about every point Equipollent force systems: two different force systems which make the same effective contributions to equilibrium equation Resultant: the simplest force combination that can replace a system of
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Final Exam Study Guide - Statics F inal Exam Study Guide L...

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