Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 224
xample (3) the fly-wheelweighs 7400 pounds. What force i^must be applied at the radius r = 2 feet, togive the fly wheel an angular velocity ofn = 128 revolutions per minute, at theend of the time T = 40 seconds ? nMx* 128X7400X6* mrWOFormula 6. F = 153-5^ is = 153.5x40x2 = ■ Pound8< How many… … 240.A circumference round its diameter,A circle-plane round its centre,A cylinder round its axis. x - 0-7071r. 241.
Mechanical engineering · Engineering
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![An illustration from Cosmographia in qvatvor libros distribvta summo ordine, miraqve facilitate, ac breuitate ad magnam Ptolemæi mathematicam constructionem, ad vniuersamque astrologiam institutens. Francisco Barocio ... avtore. Cum præfatione eiusdem autoris, in qua perfecta quidem astrologiæ diuisio, & enarratio autorum illustrium, & voluminum ab eis conscriptorum in singulis astrologiæ partibus habetur: Joannis de Sacrobosco verò 84 errores, et alij permulti suorum expositorum, & sectatorum ostenduntur. rationibusq[uam] redarguuntur. Præcesserunt etiam quædam communia mathematica, necnon arithmetica, & geometrica principia, nonnullæq[uam] propositiones, de quibus in toto opere sæpe fit mentio: ac demum locupletissimus index eorum, quæ ipsa Cosmographia continentur .. (1585)](https://img.insideoutlibrary.com/img/200/ia-cosmographiainqv00baro-123-43.webp)
