Take a$=12^(**)10^(-6)$K$^(-1)$ and E$=200$GPa.

Take L$=1\mathrm{.}25$m$,$A$=40$mm$^(2),$ and a$=0\mathrm{.}8$m$.$

Take $\backslash$Delta T$\_(1)=-40$K and $\backslash$Delta T$\_(2)=60$K$.$

$1.)$ If NFC $=$ C$1*$NEB $+$ C$0,$ find C$1.$

$2.)$If NFC $=$ C$1*$NEB $+$ C$0,$ find C$0($kN$).$Find the normal force in bar EB $($kN$).$

$3.)$Find the normal force in bar FC $($kN$).$

$4.)$Find the normal force in bar EB $($kN$).$

$5.)$Find the elongation of bar FC $($mm$).$ Find the elongation of bar EB $($mm$).$

$6.)$ Find the elongation of b ar EB $($mm$).$

$7.)$ Find the displacement of point D $($mm$).$