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 276
Fig. 75 300 X 9 2700 50 50 = 54 inches. Arts. Example. Let A, B, C,be a bent lever with apower or force equal to 40pounds applied at A.How long will A, B, haveto be to lift a weight of150 pounds if A, C, equals7 inches? (Fig. 76.) … Fig. 76 264 A HAND BOOK FOR MECHANICS 150 X 7 1050 40 40 26| inches. Ans. To Find the Distance of the Weight from the Fulcrum Rule. Multiply the power by its distance from thefulcrum and divide by the weight. Example. How far from the fulcrum will a weightof 500 pounds balance a power of 300 pounds…
Mechanics · Arithmetic · Measurement
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