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3. A steel truss bridge in the Gallatin National Forest is composed of two identical trusses. If one of the trusses is supported by a pin joint at A and a roller joint at H and the loads are as shown, determine the forces in members AB, AC, DF, EF and EG and specify whether these members are in tension or compression. NS 0 kip 10 kip 10 kip -17 ft--17 ft17 ft-17ft

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3 skip 6 A 8 Rgt sine re 6 D RoE F냐 1 SKİf 9-8 G H o Kip DF FER

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