The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 137
al work = =53*J*£00 + 11*£000« = 1859*AOO, 132 PRACTICAL MECHANICS. If the body W, be upon the point of descending the planeby the force of gravity alone, then, the work necessary to. move the body is nothing ; hence, fWxAB— WxCB• •# / = tan, A ;a result before obtained. O THE PARALLELOGRAM OF… … wnich the body tends to descend the plane D B, will beequal to the pressure which it exerts upon the plane 0 A ;and the tendency to descend the plane C A will be equalto the pressure exerted on the plane D B. Let the vertical line W H be drawn through the body,and take W H = the units of weight in…
Mechanics, Applied
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
