Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 68
Fig. 10. Kg-11. Apply to the points A and B, and in the direction of the lineuniting them, two equal and opposite forces,/ and/, which wewill represent by drawing A S=f, and B S=f. As theseforces exactly balance each other, they cannot change the ve- 44 CHEMICAL PHYSICS. locity or the direction of…
Matter · Heat
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