4) 25 pts. For the truss loaded as shown, Determine: a) The forces in members AB, AL and LK using the method of joints. b) The forces in members DE, JE and JI using the method of sections.
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In this case, we have joint A, joint B, joint L, and joint K. 2) At joint A, we have two unknown forces: AB and AL. Since there are no external forces acting on this joint, the forces in AB and AL must be in equilibrium. Show more…
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