Part $2(20$ points$)$:

$20016$

The hoist structure is rigidly attached to the wall at C$.$ A thet load of sand hangs from the cable that passes around a $1$ ft

a$)$ Determine all loads acting on member ABC $.$ Your solution must include $FBD(s).$

b$)$ If the distance between $B$ and $C$ were shorter $($e$.$g$.1\mathrm{.}5$ ft instead of $3$ ft $),$ would the shear stress in the pin at $E$ increase, decrease or stay the same? Justify your answer.

$3$