Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 94
on this same line. Let it be at Gr. To find CG- suppose a plane ofreference drawn through C perpendicular to Cg. Then, since the elementary areas of equal thickness and density are similar figures, these areas are proportional to the squares oftheir homologous dimensions. The homologous… … Fig. 37. 84 MECHANICS. The products of these masses by their respective distances from the plane of reference will be the seriesI3m, 2?m, 3nm, . . . nsm. Hence Ca = X = *™L = nm ^ ^m = ^n.Sm 4 3 4 The centre of inertia of the pyramid is therefore on theline drawn from the apex to the centre of…
Physics
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