EXAMPLE $1$

EXAMPLE $4-1$

The composite A$-36$ steel bar shown in Fig. $4-6$a is made from two segments, $AB$ and $BD,$ having cross$-$sectional areas of $A_{AB}=600m{m}^2$ and $A_{BD}=1200m{m}^2.$ Determine the vertical displacement of end A and the displacement of $B$ relative to $C.$