Problem 4.39 Determine the forces in the members marke d by “×” of the truss shown by method of sections.

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120 kN 120 kN 4 at 4 m 16 m FIG. P4.27 15k 15 k Problem 4.39 Determine the forces in the 15 k 30k members marked by "x" of the shown by method truss of sections. 15 k 30k 40 ft H. 15k C. D. E F 6 at 20 ft 120 ft FIG. P4.39 2/2 120 kN 120 kN 4 at 4 m 16 m FIG. P4.27 15k 15 k Problem 4.39 Determine the forces in the 15 k 30k members marked by "x" of the shown by method truss of sections. 15 k 30k 40 ft H. 15k C. D. E F 6 at 20 ft 120 ft FIG. P4.39 2/2