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 66
A horizontal pull of 80 lbs.,making equal angles witli the two links, is exertedon the horizontal pin of the joint P. What press-ures are thereby induced (for given position ofparts) on the surfaces P and P (horizontal andvertical) ? (Those on P and P will be thesame, respectively.) Each link is… … Fig. 64. orP 2 cos a 58 NOTES AND EXAMPLES IN MECHANICS. Fig. 66 shows the upper block free, from which bj ^ Y = 0, Pe = P sin a, and from hor.comps. Pp = P cos a.
