$[$This question is will be counted as a BONUS QUESTION $-$ it will not count against you miss it$,$ but will add to your score if you get it correct!$]($but note that this type question on this topic is considered fair game for the final exam.$]$

A $67\mathrm{.}4-$kg person stands on their toes by exerting an upward force through the Achilles tendon, as in the figure shown below. C the force at the pivot, $\backslash ($ F$\_\{$p$\}\backslash ),$ of the simplified lever system shown$-$that force is representative of forces in the ankle joint. $[$Assum the lower leg and foot are oriented such that both the force of the Achilles tendon $\backslash (\backslash$left$(\backslash$vec$\{$F$\}\_\{$A$\}\backslash$right$)\backslash )$ and the normal force $\backslash ((\backslash$vec$\{$N$\}\backslash ),$ equal in magn to the person's weight$)$ act perpendicular to the horizontal lever arm that represents the foot.$]$