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 145
98. Prop. The principle of virtual velocities obtains in the wedge. PRINCIPLE OF VIRTUAL VELOCITIES, ETC. 121 Let 2P be the whole power, Rand R the pressures perpendicu-lar to the faces of the wedge ABC,which produce equilibrium. Letthe wedge be displaced to the posi- #tion ABC. The displacement… … or P.AA-R.AA. sin. ——=0. R= BAC sin. as found in Art. 169. 199. Prop. The principle of virtual velocities obtains in a levcr of any form. Let ACB be the lever be-fore displacement, ACBits position afterward.From A draw Au perpen-dicular to AP, and from B,Bw perpendicular to BQ,produced. Au is the…
Mechanics, Analytic
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
