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15. Using the method of sections, determine the member forces in members BC, CE, and ED of the truss shown below. 20 kN 2m

15. Using the method of sections, determine the member forces in members BC, CE, and ED of the truss shown below. 20 kN 2m 2 m 15 kN 15 kN 2 m 4 m 2 m

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