Question $1$

$1$ pts

Determine $[K_{ku}^1]1$ in terms of $EA($to $2$ dec $.$ points$)$

$L_{AC}=1m$

$L_{BC}=2m$

$L_{CD}=1m$

Node A $-$ pinned support

Node B $-$ roller support

Node D $-$ pinned support

$[K_{ku}]1^1$ is

$EA$