Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1903)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & sons; [etc., etc.] · leaf 42
r hinge are respectively 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 figures,instead of eight, as might appear at first sight. Hence the prob-lem is determinate, since from each of these free bodies we… … Fig, 33, For ^^^ ^^ ) and XJi + Yfi - G,a, - G.a, = 0. For Fig. 34 and Yh ^.-0; Y,X,h + Cuh 0. The elimination, by which to find separately the six unknowns,Xo, Zq, X,, 1^1, X,, and Z,, is left to the student. (Treatedgraphically, this case would come under Class B of p. 458,M. of E.) 34 NOTES AND…