For the truss shown in the figure: 20KN a) Find the support reactions. b) By inspection, identify the zero-force members. 4m 4m C 4m c) Determine the force in members CD and DE using method of joints. d) Determine the force in members EF and BC using method of sections. (Specify whether Tension or Compression). 3m 4m 4 m E G Ax %3D kN Ay = kN Gx = kN 47 Zero FM1 = Zero FM2 = CD

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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.