Philosophical instructor, or, Webster's elements of natural philosophy : subdivided into principles and illustrations ; intended for academies, medical schools, and the popular class-room (1824)
Eaton, Amos, 1776-1842, Webster, John, fl. 1804-1824 · Albany : Printed by Websters and Skinners ... · leaf 97
a perpendicular direction, the first partide acts upon the second with its own weight only ;and as the second is stationary, or fixed by the sur-rounding particles, according to the third law of mo-tion, that action and reaction are equal, it is evidentthat the action or gravity in the first is… … increases in an equivalent degree, and so on through-out the whole depth of the fluid. The particles of a fluid, at the same depth, presseach other equally in all directions. Illustration. This appears to rise out of the verynature of fluids ; for as the particles give way to everyimpressive force,…
Physics
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