International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 605
of 1,200 lb. each, at distances from the left support of40, 00, and 80 ft. {a) Find the maximum bending moment;(/?) the shear at a distance of 30 ft. from the left support;(c) the maximum shear. ( (a) 748,800 in.-lb. Ans. -j (^) 1,440 lb. ( (r) -2,160 1b. (572) Find graphically the magnitude,… … Fig. 4. makes an angle of 72^° with ;//;/, and so on. The distance betweenthe intersection of Fi and F^ with m n is 1 inch; the distance between theintersections of F^ and F-i is 1^^ inches, etc. (573) A beam is loadedas in Fig. 5. Find the re-action of the supports, anddraw the shear diagram.…
Railroad engineering
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