2) The figure shows a truss which is pin connected at C and supported by a roller at D. It carries the vertical loads of 200 kN and 100 kN at joints A and E, respectively. Use the Method of Joints. a) Calculate the force in member DE. b) Calculate the force in member BE. c) Calculate the force in member BC. 4 m B 2 m 200KN tookN

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