Question: In this question, specifically, in the force diagram, why we don't care about the Fba(compression) and Fbc(tension)?? Is there a reason that defines internal forces

2m Determine all the internal forces of the truss by the Method of Joints. B A pinned support 500 N 45 2 m C

In this question, specifically, in the force diagram, why we don't care about the Fba(compression) and Fbc(tension)??

Is there a reason that defines internal forces as Fba(tension) and Fbc(compression)

2m Determine all the internal forces of the truss by the Method of Joints. B A pinned support 500 N 45 2 m C A roller support Solution The free body diagram of Joint B is shown below. B -45 500 N FBC (compression) FBA(tension) Applying ZFH = 0, then + 500 - FBC sin 45 = 0 FBC= 500 / sin 45 = 707.1 N

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In the context of truss analysis internal forces refer to the forces transmitted across the members of the truss which are either in tension pulling apart or compression pushing together The designati... View full answer

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