Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 135
l the momentstending to turyi it in the opposite direction. 112 WORK AND MECHANICAL ENERGY . If, further, we support the levers of Figs. 119 and 120by sprmg balances attached at P, we shall find, after allowmgfor the weight of the stick, that the two forces mdicated bythe balances are respectively… … Fig.119 Fig. 120 Condition of equilibrium of a bar acted upon by seAeral forces These two la^^■s may be combined as follows: If we thmkof the force exerted by the spring balance as the equilibrantof all the other forces acting on the lever, then we find that theresidtant of any number of parallel…
Physics
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