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 71
moms.) about a, similarly, gives^X9 + 3X7-2X1.7 + 2X 19+ 2 X 15.6 - 8.88 X 19 = 0;or, (? = + 9.1 tons, and is therefore compression. Although thesame free body would serve, let us determine stress D fromanother free body, that in Fig. 75, showing the remainder of thetruss. Assume I) compression.… … NUMERICAL EXAMPLES. 63 Again, from the free bodj in Fig. 76, taking moments \3ton3. Y dV//\ v„ ^ V»=7.9Uons. ^n 2 Fig. 75.
