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 127
be perpendicular to these faces. 169. Prop. To determine the conditions of equilibrium in thewedge. Let ABC be a section of thewedge perpendicular to the angleor edge A. Draw AD bisectingthe angle, and let BAD = CAD=«.Let 2P be the power applied to theback BC of the wedge, which mustbe in… … 104 STATICS. or or R-sin.«-BA-BA/ 2R.sin.BAD-2P=0,P=R. sin. «,BD BD,Z \ the back of the wedgeface of the wedge where 1= the length of the edge or breadth of the face. 170. In the foregoing investigation of the theory of equilib-rium in the wedge, we have omitted the consideration of thefriction,…
Mechanics, Analytic
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-272-177.webp)
