Chapter $4$ HW $1$

$1\mathrm{.}4-9$

FIGURE P$4-9$ Shape of a slug for Problem $4-9.$

$4-9.$ Determine the force required to punch a slug having the shape shown in Figure P$4-9$ from a sheet of aluminum $3003-$H$18$ having a thickness of $0\mathrm{.}194$ in$.$