Question

1.5 m 2 m- 6 kN 8 kN Using the figure above, draw a FBD of the entire truss assembly, and from this determine the follo wing 2. Reactions at C and D kN Force in member BD [kN]

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Answer #1

CA Cx Cy 2 Dx 2 6 kN Dy 8 kN

FBD of the truss is as shown above:

now we take a section x-x as shown above to determine forces in BC, BD and ED

Fbc Fbd Fbd*sin45 Fed2 m- 6 kN 8 kN

nakna moment about 【) TensionAt Toint C BC. At Joit D Fe) =-19.8

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