(Solved): 1. A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends an ...

1. A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6-kip loads as shown. Knowing that E = 0.45 x 10 psi, determine (a) the reactions at A and C, (b) the normal stress in each portion of the rod. (60 pts) -1.25 in. 25 in. 6 kips 15 in. 6 kips B -2 in. C