Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 158
A shaft weighing 6 tons is lifted by a chain sling. Eachchain is 6-4 feet long, and the ends are secured to theshaft at points 8 ft. apart in a horizontal plane. Findthe tension on the chains. Consider the point A where threeforces meet, as shown in the figure57. By completing the… … WxAB Tension = Vab.-(b^) This works out to 3*84 tons.—Ans. 156 THE PARALLELOGRAM OF FORCES. 4. Two forces of 2 and 3 lbs. respectiYcly act at an angle of60 degs. to each other, find their resultant. In figure 58, the resul-tant is, of course, AD and ifthe figure is drawn to scaleit can be measured…
Naval architecture
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