Q$2$: $($Answer either a or b$)$

$($a$)$ Consider the frame shown in Fig.

Q$2-$A$.$ Compute the horizontal

deflection at C$.$

x$2$

x$1$

E $=200$ GPa, I $=300$ in$4$

Fig. Q$2-$A

$($b$)$ What is the minimum value of I

for the beam shown in Fig. Q$2-$B$,$ if

point B is not to deflect more than

$0\mathrm{.}5$ inches?. E $=30,000$ ksi

$1)$ I$=1500$ in$4$

$,2)$ I$=1215$ in$4$

$,$

$3)$ I$=1400$ in$4,4)$ I$=1456$ in$4$