Exercise 1 Figure Q2 shows a plane truss supported by pins at A and D. The cross-sectional area in mm² for each member is given in brackets and E= 210 kN/mm². Find the value of the reactions at all supports and internal forces in the members. (Consider horizontal reaction at D, HD as the redundant). (100) (50) 4m 20 KN (150) E B (100) (50) (100) 4m 15 kN (150) C (100) (50) 4m D 3m k

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