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 473
aw the equilibriumpolygon by §341. 375. Summation of Prcducts. Before proceeding to treatgraphically any case of arch-ribs, a few processes ingraphical arithmetic, as it may be called, must be pre-sented, and thus established for future use. To make a summation of products of two factors in eachby… … rst arranged the terms in the order of magnf-,tude of the xs, we proceed as follows: Supposing, forillustration, that two of the »s (% and gj) are negative(aotted in figure) see Fig. 415. These quantities x and zmay be of any nature whatever, anything capable of beingrepresented by a length, laid…
Mechanics, Applied · Strength of materials
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