Extracted text: Each member of the truss is a uniform 21-ft bar weighing 430 Ib. Calculate the average axial force in each member due to the weights of the members. The axial forces are positive if in tension, negative if in compression. E 60° 60° 60° 60° C 21' B 21' Answers; AB = i Ib AE = i Ib %D BC = Ib BD = Ib BE = Ib CD = Ib DE = Ib