The science of mechanics; a critical and historical account of its development (1902)
Mach, Ernst, 1838-1916, McCormick, Thomas Joseph, 1865- tr · Chicago, The Open court publishing company; · leaf 77
This is positive ornegative according as the virtual velocity is in the same, or in the opposite,direction to that of the force. This agrees with Bernoullis definition whichmay be found in Varignons Nouvelle mecanique^ Vol. II, Chap. \%.—Trans, 5° THE SCIENCE OF MECHANICS. stevinuss a (Fig. 39)… … each of which accordingly supports the. weight Pji,with which weight in the case of equilibrium the freeend of the cord must also be loaded. In c, P is sus-pended by six cords, and the weighting of the free ex-tremity with PIb will accordingly produce equilibrium.In d, the so-called Archimedean or…
Mechanics
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