The principles of mechanics : explaining and demonstrating the general laws of motion, the laws of gravity, motion of descending bodies, projectiles, mechanic powers, pendulums, centers of gravity, &c. strength and stress of timber, hydrostatics, and construction of machines : a work very necessary to be known, by all gentlemen, and others, that desire to have an insight into the works of nature and art : and extremely useful to all sorts of artificers, particularly to architects, engineers, shipwrights, millwrights, watchmakers, &c. or any that work in a mechanical way : illustrated with forty-three copper-plates (1773)
Emerson, William, 1701-1782 · London : Printed for G. Robinson ... · leaf 87
ill remain the fame as before. And when the direc-tions of any of the forces arc out of this plane, ail thefeextraneous forces may be reduced to others, one pareadting in the plane, the other perpendicular to it ; and boththefe remain the fame in quantity as before. And fince theforces ading in the… … J r A B ul r 35 «4 j:^ ir 1 A e/\cA ^i. 1 nv yj-j / --^i^ U- * yi^.paSl.- Sea. V. C E N T E R 0 F C R A V I T Y. 6$ do the fame when applied to their common center of gravity F I G, or to any other point. 55^ Cor. 3. If federal forces a5ling afur any manner keep a body un-moved y and any plane…
Mechanics · Mechanical engineering
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