Determine all bar forces by the method of joints

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Reference no: EM131251924

The figure shows a simply supported roof truss of length a and height h with vertical loads P at nodes E, F and G, respectively. The symmetric structure of the interior bars is determined by the angles α and β.

a) Determine the reaction forces.

b) Determine all bar forces by the method of joints.

Reference no: EM131251924

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