Hall, Edwin Herbert, 1855-1938 · New York, H. Holt and company · leaf 62
ns of another !weight, as in the figure, or bymeans of the hand, or in anyother way, we will call thepower. We have seen in the experi-ments of § 48 that, as thelever now stands, it makes nodifference whether W is sus-pended from the point which now carries it or from somepoint higher or lower in… … Fig. 28. 50 physics. est distance from JFs line of action to the fulcrum theweight-arm. 54, Law for First Class.—In order that P and W may-just balance each other we must have, as can be seen fromExercise 8, power X power-arm = weight X weight-arm. Tins is the law for a lever of the first class.…
Physics
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