Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 50
and if we suppose the pointsof application to be transferred to0, their resultant may be deter-mined by the parallelogram of forces. The direction of theresultant will pass through 0. (Art. 27.) Whether theforces be transferred to 0 or not, the direction of the resul-tant will always pass through…
Mechanics
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