Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 63
uiUbrium SX = o and SF = o. B. Any Given Set ofForces Graphically.—Let thegiven forces be repre-sented by the full linesin Fig. 30 (a); then Fig.30 (b) shows the corre-sponding polygon of forces. Here ae represents theresultant in magnitude and direction. To find its posi-tion select any point 0,… … REVIEW OF PRINCIPLES OF COPLANAR STATICS 47 the first and the last side of the funictilar polygon {oa andoe) until they intersect and thru this intersection drawae, the resultant. Figs. 30 (a) and 30 (b) are called reciprocal figures;the lines parallel to any three intersecting Knes, such asoa, ab,…
Mechanics
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