Statics StudyGuide
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Ch. 1 General Principals Mechanics: concerned with the state (rest or motion) of bodies under forces. Statics: at rest or constant velocity ynamics: accelerated motion !ey terms P article: has mass but si"e can be ne#lected$ can e%perie nce translational motion only &i#id'ody : assume no deformation$ translational and rotational motion Concentrated force: loadin# that is assumed to act at a point on a body ewton*s +aws of Motion ,irst +aw of Motion: Particle ar rest or constant velocity will stay unless acted upon by an unbalanced force Second +aw of Motion: ,-ma acceleration is same direction as force /hird +aw of Motion: 0 ction'reaction forces are e ual opposite and colinear Mass vs 2ei#ht Mass: a measure of uantity of matter and doesn*t chan#e from one location to another 2ei#ht: refers to #ravitational attraction of the earth on a body. Ma#nitue depends on elevation. 2-m# &i#id' body eformable' body ,luid mechani
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