An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1868)
Smith, Augustus W. (Augustus William), 1802-1866 · New York : Harper · leaf 141
ity of W, and negative. Hence (Art. 81), P.PP-W.WW=0,or P.arcAA-W.arcBB=0, or P.AC.z.ACA-W.BC.A.BCB=0. P.AC-W.BC: W AC° °r P =BC the condition of equilibrium found in Art. 138. 192. Prop. The principle of virtual velocities obtains in apair of toothed wheels. Let the circles inthe annexed… … Ps displacement =PP=AC.^D1C,D=AC Ws displacement =WW =CB.z.D2CD=CB By the principle of virtual velocities,P.PP-W.WW =0, arcD.D CD arc D3D ~CD~ ilS STATICS. or or RAC,i^-W.CB.^^=0, CD CD „AC TirCB p w ■—=0 DC CD W AC CD ■ W CD ; and when AC = BC, P BCCDas found in Art. 143. P ~CD 193. Pkop. TTie…
Mechanics, Analytic
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