Determine the force in each member of the loaded truss. The forces are positive if in tension, negative if in compression Assume F₁ = 3750 lb, F₂ = 2100 lb, a = 4.7 ft, b = 7.5 ft, c = 2.9 ft, and d = 3.9 ft. A F₁ Answers: AB= AE = BC= BD- BE= CD- DE = i i i i i i i a B E F₂ lb lb lb lb lb lb lb b d

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Load on Structures

Civil engineers primarily deal with beams in their day-to-day applications. A beam is a structural member that resists shear loadings. There are various types of beams such as cantilever beam, simply supported beam, and over the hanging beam. All these beams have a different end and loading conditions.