Mechanics of engineering (solids) : comprising statics and kinetics of solids, and the mechanics of the materials of construction, or strength and elasticity of beams, columns, shafts, arches, etc. : for use in technical schools (1911)
Church, Irving P. (Irving Porter), 1851-1931 · New York : Wiley ; London : Chapman & Hall · leaf 429
ing the amounts ofthose two forces by the lengths of the correspondingsides. We must .•. begin with a joint where no more than twopieces meet, as at a; [call the joints a, fi, y, 8, and the cor-corresponding force polygons a, /3 etc. Fig. 356.] Henceat a (anywhere on the paper) make ab || and = (by… … Fig. 356. To close the polygon draw through c a || to the pieceCD, and through a a || to AD; their intersection deter-mines d, and the polygon is closed. Since the arrowsmust be point to butt round the periphery, the force withwhich the piece CD acts on the pin of the joint a is aforce of an amount…
Mechanics, Applied · Strength of materials
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