Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
to radius of ivheel; or, 6 : 24 :: 2 : 8.The power and weight are inversely as their velocities. Wheel radius X P. ^.r 8x6 ,^.= W., or —-— = 24; axle radius wheel radius X PW. ^ axle radius X W.wheel radius axle radius X W. IT 8X6, = axle radius, or —^^— = 2 24 p 2 X 24= P., or —-— = 6 wheel… … AV. X axle radius = P. around to the horizontal line, andrevolving around the fulcrum. The capstan, employed onships for raising the anchor, is amodification of the wheel andaxle. 72. Figure 30.—Simplewindlass a modificationof ■wheel and axle.—The axle, in this case, is revolved hymeans of a…
Physics · Astronomy
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