The beam is made of steel having an allowable normal stress of ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=150$MPa and an allowable shear stress of ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=75$MPa.

Part A

Select the lightest W$410-$shaped section that can safely support the load.

$W41054$

$W41085$

$W41060$

$W41067$

$W41074$