An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1849)
Smith, Augustus William, 1802-1866 · New York, Harper · leaf 139
combina-tion of elementary machines is equal to the product of the ratiosof the power to the weight in each of the simple machines. 189. Prop. To determine the ratio of the power to the pressurein the combination of levers called the knee. This combination of levers is used with advantage wherevery… … turns about a firmly fixed pivotat A, and is connected by anoth-er pivot at B to the rod BC,whose extremity C produces thepressure on the obstacle at E. Let the power P act horizon-tally at some point F in the le-ver AB, ANC be a vertical linemeeting the direction of P in N,and DE a horizontal…
Mechanics, Analytic
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
