Problem 413 Determine the force in each member of the crane shown in Fig. P-413.
Solution 413
Apply Cosine law to triangle ABC
At Joint A
tension
compression
At Joint B
At Joint C
Summary AC = 131 kN tension AB = 120 kN compression BC = 60 kN compression BD = 104 kN compression CD = 0 CE = 90 kN tension
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