Mechanics of engineering. Comprising statics and dynamics of solids: and the mechanics of the materials of constructions, or strength and elasticity of beams, columns, arches, shafts, etc (1888)
Church, Irving P[orter], 1851- [from old catalog] · New York, J. Wiley & sons · leaf 411
Fig. 346. … Fig. 347, must close, whatever be the order in which itssides are drawn. For, if we combine PY and P2 into a re-sultant 0at Fig. 346, then this resultant with P3 to form aresultant Ob, and so on; we find the resultant of Pl9P2,P3,and P4 to be Oc, and if a fifth force is to produce equilib-rium it…
Mechanics, Applied · Engineering · Strength of materials
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