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 71
n-firmed. 2 (moms.) about a, similarly, gives6X9 + 3X7-2X1.7 + 2X 19 + 2 X 15.6 - 8.88 X 19 = 0;or, C := -\~ 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 D… … NUMEKICAL EXAMPLES. 63 Again, from the free body in Fig. 76, taking moments