$4$ Unstructured problem statement to product: Papers are flying Ielp me$!-$ leading to a product CO $2$

Paper punch. $\{$Write the steps to convert an unstructured problem statement to a product$\}$

I: the punch hole diameter is $6mm,$ paper thickness is $4mm,$ paper used has a shear strength of

$9\mathrm{.}94719\frac{N}{m}{m}^2,AB$ is $120mm$ and OB is $20$ mm $.$ what is the force $F1$ to be used to get the hole

punched.

$($Marke $4)$