Problem $4)$ For the Seat Mount Cross member shown below

a$)$ Find maximum stress at the load point for the simply supported end conditions.

b$)$ Find maximum deflection at the load point for the simply supported end conditions.

c$)$ If $K=100\frac{N}{m}m,P_y=2000N,$ determine the required thickness; consider only yielding behavior.

$s$

$40$

$25$ mm

$t-1\mathrm{.}5mm($for partra and b$)$

$20$ pts