A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 270
—1 Fig. 65 In the third class the power is between the fulcrumand the weight. (Fig. 66.) … D) iiI il u) Fig. 66 In all three classes, the law of the lever is the same.To Find the Power Rule. Multiply the weight by its distance from thefulcrum and divide by the distance of the power fromthe fulcrum. Example. How much power, acting at a point on alever arm, 16 inches from the fulcrum, will…
Mechanics · Arithmetic · Measurement
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