Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 51
0. In Fig. 44 the lever arms are bent at right angles to eachother, allowing the effect of the weight W to be produced in ahorizontal direction at F. With the lever arms as shown, whatweight is necessary at W to produce a pull of 100 lb. at F? 21. In Fig. 45, showing a safety valve for a stationary… … 21. Calculation for Levers Taking into Account theWeight of the Lever Itself in Each Case.—If the levershown in Fig. 46 weighs .5 lb. per in. of length the por-tion to the left of the fulcrum weighs 8 X .5 or 4 lb. 8 ->K- Fulcrum 24 ^ ■zpr -4-^ It trn llIb. F-? tSO-lb. Fig. 46. The portion to…
Mechanics, Applied
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