Problem$-3(35$ pts$.)$

A truss with support at $F$ and A are shown below.

a$)$ Determine forces at $CD,HC$ and $HI$ using method of section $($Identify Tension$/$Compression$)$

b$)$ Determine f$$rces in members BC and CI using method of joint $($Identify Tension$/$Compoession$)$

c$)$ Identify zero force member in the truss and why it is used.

$\backslash$table$[[CD=,HC=,HI=$