The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 168
plication of a couple to the beam, theforces of the couple being applied at the two adjacent pointsof support ; the span, consequently, will be the lever arm ofthe couple. The existence of equilibrium requires the appli- Art. 23.] THEOREM OF THREE MOMENTS. H7 cation to the beam of an equal and… … equal to the difference between the actual reaction at eitherpoint of support and that found by the law of the lever. Thebending caused by this couple will evidently be of an oppositekind to that existing in a beam simply supported at each end.These results are represented graphically in Fig. i. A…
Strength of materials · Building materials
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