Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 265
Fig. 236. 240 CHEMICAL PHYSICS. … Fig. 236. (139.) Centre of Pressure. — It lias been proved (45), thatthe resultant of all the forces which gravity exerts on the parti-cles of a body is a single force — represented by the weight ofthe body — directed vertically downwards. And it has furtherbeen proved (46), that this force may…
Matter · Heat
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