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 12
ce, Q^the pressure of the floor against the rod.Since the rod and block are at rest, P andG intersecting at A^ it must be that the floor is sufflciently roughto enable the pressure Q to deviate from the vertical (that is, fromthe normal to plane of floor) by as much as the angle AB F, atleast I… … Fig. 1. 4 NOTES AISTD EXAMPLES IHf MECHANICS. be under the action of jR\ the equal and opposite of P, andtherefore pointing horizontally toward the left; ot* G\ its weight;and a pressnre, i?, from the floor, whose line of action is deter-mined by the fact that it mu&t be the same line of action…
