Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 133
Fig. 142the resultant of I, 2, 114 GRAPHICAL STATICS This use of the parallelogram of forces is cumbersomewhen a larger number of forces is to be dealt with. Thetriangle or polygon of forces is again, as in Section XVII,used to simplify the construction. In Fig. 143 (a) the forces are shown, and in… … (a) Fig. 143 (.;) ad, Fig. 143 (b), in magnitude and direction but not inposition. Notice that from no portion of the work already com-pleted can we infer at what point of the body this result-ant should act. To find the position of the resultant, return to Fig.143 (a) and find the intersection of…
Mechanics
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