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 99
rizon and the weight of a heavy body W, to determine whatforce or weight Px acting in the given direction WM will besufficient to sustain W on the line. The body W is kept upon the line by the action of the force Y Pa in the directionWM, and its weightacting in the directionWE. The reaction ofthe… … 76 STATICS. Hence (20) becomes P, cos. (e+z) + (P1 sin. (e+z)-W) tan. i=0; or, expanding and reducing, Pa cos. e=Wsin. i, Wsin.i x or P,= . (a) 1 cos. e v If the reaction of the line be required, resolve all the forceshorizontally (8). This gives N. cos. (90° + i)+P1 cos. (e+i)=-Q. ... H^ w 1 sm. z…
Mechanics, Analytic
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