GIVEN

$C_D$:$=1\mathrm{.}00,C_M$:$=1\mathrm{.}00$

$C_t$:$=1\mathrm{.}00$

$C_r$:$=1\mathrm{.}00$

$C_{fu}$:$=1\mathrm{.}00$

BEAM IS PINNED AT EACH END

BEAM IS RESTRAINED FROM ROTATION AT EACH END

BEAM IS UNBRACED ALONG ENTIRE LENGTH

FIND

A$)$ MAXIMUM LOAD BASED ON BENDING STRESS

$M$:$=\frac{P*L}{4},P=\frac{4M}{L}$

B$)$ MAXIMUM LOAD BASED ON SHEAR STRESS AT THE NOTCH ON THE TENSION FACE

C$)$ MAXIMUM LOAD BASED ON COLUMN WITH UNBRACED LENGTH OF $10$ FT$.$