Two solid cylindrical rods AC and CD, both of the same aluminum alloy E=10x10^6 psi, are welded together at C and subjected to the loading as shown in the figure. Determine (a) the total deformation of the composite rod ACD, (b) the deflection of point C. Indicate directions for both.
1.75-in. diameter
2.25-in. diameter
20 kips
15 kips
10 kips
B
C 15 kips
A
15 in.
12 in.
8 in.