Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 60
€^ F^ -=^ -<s> W-300-/1?, Fig. 65. 38. In Fig. 59, find the force F necessary to raise the weight W, 39. In Fig. 60, find the length of the lever arm X so that theforce of 100 lb. will balance the load W of 1500 lb. 40. In Fig, 61, find the weight W that can be raised by the forceof 80 lb. 46…
Mechanics, Applied
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