The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 46
a.Here the radius of the largerwheel corresponds to the longarm, and that of the smallerwheel or axle, to the short armof the lever. Accordingly equi-librium is obtained when thepower applied is to the weight to bei,raised, or resistance to beovercome, as the radius of the axle is to that of the… … Instances of the application of the compound lever ? In what cases is the■wheel and axle used, and how may it be regarded ? Explain its operations bythe figure. When will the power and weight be an equilibrium ? Wliat isthe windlass ? WHEEL AND AXLE. 41 product of 5, into the radius of the larger…
Physics
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