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 80
^ P cos a =^ G derived above we have tan a =z c^ -^ gr\ whencethe required velocity must be c — 1^32.2 X 1.613 X 3.871 =: 14.2ft. per sec. The p;oper radius being as above (/■ = 1.613 ft.),this implies rotation about C at the rate of G 14.2 u = ^— = ^ ^^>, = 1.40 revolutions per second, 27rr 2;r… … G.=8 Iba) Fig. 83. connect the three ^material points, or smallbodies, as shown ; the two upper cords being at-tached to a fixed support at A. G^ and G^ aretwo balls of equal weight; the weight of each= G, = ^ lbs., while the block G^ weighs 12lbs. If now the balls are caused to rotate aboutthe…