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)
leverage with a lever of the same length ; as it will be seen that all theten spaces, instead of eight, come between the power and fulcrum,Avhich gives the power a fifth greater advantage over the weight thanin the former case; or 6 X 10 = 30 X 3 ; thus making the weight 30instead of 24. The dotted… … 68. Figure 26.—Lever of the third class.—In this leverthe power comes between the fulcrum and weight, which brings the MECHANICAL POWERS. 01 Weight on the long instead of the short arm, thus decreasing themotion of the power at the expense of the leverage; the weight havingthe advantage of the…
Physics · Astronomy
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