Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1897)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & Sons · leaf 42
hinge aie resj)ectivel(/ equal and oppo-site to those {X^ and Y^) of Fig. 33 (action and reaction), so thatthere are only six unknown force-amounts in the two hVures,instead of eight, as might appear at first sight. Hence the prob-lem is determinate, since from each of these free bodies we… … For Fi For ig. 33 { Fig. 34 j a; - X, = 0 ; Y, + Y,-G,and XJi -f- YJ) — G^a^ — G^a^ = 0. X,-X., = 0; i; - Y,~ G, and Y.V - X,h 4- Gm. = 0. ^. = 0; The elimination, by which to find separately the six unknowns,X„, Y,, X,, Y,, X^, and y,, is left to the student. (Treatedgraphically, this case would…