C d RA vertical RA horizontal a = 4ft c = 5ft F₁ = 550lb = REhorizontal TAB = TBC = TCD = TDE = TAE = TBD = A Given the truss shown, loaded and dimensioned with the values shown below, find the reaction forces and the forces carried in each member. b = 4.4ft d = 5.5ft F₂ = 450lb TBE = E a = F₁ Designate members in compression with negative numbers, and members in tension with positive numbers. For the support reactions, designate forces going upward or to the right as positive and forces going downward or to the left as negative. = B b C F₂

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Loads and Reactive Forces

Loads are the external influences that a beam experiences under its working conditions. For instance, a beam may be subjected to shear loads, twisting loads, bending moment, and axial loads during its working conditions. Engineers primarily deal with beams and trusses in the civil engineering domain. Due to the influence of loads, it is very crucial to determine the induced stresses and deformation values. These values give an insight into the critical area of the beam that needs to be worked upon to make it fail-safe.