Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 263
may readily be extended to a bodyof any form whatsoever. Let s ss be the body, and ox,oy,o z three co-ordinate axes perpendicular with each other, to whichwe can refer position. The pressure exerted by a liquid on any infinitely small element of surface,s, is by [78] £ = s.H. {Sp.Gr.).This… … makes with :c as P , y, ~i <^° xi y 2 »we have, for the three components, iF = JT cos -^ , £ ^ J cos -^ , and JF = £ cos ■? . Substituting for £ its value given above, the three components become Fig. 235. £ = H.(Sp.Gr.) .scos P. £ = H. (Sp.Gr.). s cos £ H .(Sp.G.-) .s cos^. [82.J[83.J[84.] But…
Matter · Heat
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