Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 48
f P, and V>b that of Q, the former being positive andthe latter negative. Let Yp, Yq be the perpendiculars from the fulcrumupon P and Q, or what we have called (art. 40) the arms of P and Q. Now,as the displacement is very small, the angles FAA, FBB will be very nearlyright angles ; and,… … ^? or ^^ -FB Yp - But the if the lever be in equilibrium (art. 40). and ^,Iq jles FAA as they are both isosceles, and their vertical angles are equal, so „ , AA BB , Art Bb that :^-- = ^^-- ; whence - = =^ FA FB Yp Yg P X Aa or, as we may put it, -— = B xYp Qj< Bb q.Yq- these two equal fractions…
Physics
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