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 153
cients of friction on the horizontal andvertical planes respectively; required its inclination 6 whenon the point of sliding down. Let AB be the ladder and the forces acting upon it, as rep-resented in the figure. EXAMPLES ON CHAPTERS V. VII., AND VIII. 129 Resolving horizontally andvertically, we… … or tan. 6- Rl Substituting the values of w and R, d.(l+nn) — 1\l\l tan.0=- lil If the center of gravity of the ladder be at the middle point,l=2d, and 1— n/tf tan. 6=- 2[i 208. EXAMPLES ON CHAPTERS VI., VII., AND VIII. Ex. 1. A beam 30 feet long balances on a prop % of itslength from the thicker…
Mechanics, Analytic
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