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 277
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… … Fig. 77 72 X 300 21600 500 500 = 43.2 inches. Ans. Weights Between Two Supports If a weight is attached to a beam which rests upontwo supports, the beam acts as a lever of the second class,and the part of the whole weight carried by either sup-port may be found by considering one support as…
Mechanics · Arithmetic · Measurement
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