Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 111
ied at its centre of gravity. Wemay then graduate the beam by experiment, or we maycompute the lever arms, corresponding to the differentweights, by the general principle of moments. To weigh any body with the steelyard, place it in thescale-pan and move the counterpoise E along the beam til]5* 106… … 83. fulcrum D; and a graduated arcEF, whose centre co-incides with the centreof motion C. When aweight is placed in thescale-pan, the pan is de-pressed and the lever-arm of the weight is diminished ; the weight B is raised, and its lever-armincreased. When the moments of the two forces becomeequal,…
Mechanics
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