Circle the cross$-$section below $(A-H)$ that correctly marks the location of the critical stress element

$($max shear stress$)$ for the below loading configuration. Can circle multiple. $[3$ pts$]$

A

B

F

C

G

D

H

Extra Credit: If bone fails at the stress element surface with maximum tension, sketch the failure pattern

you'd expect on a bone that is subjected to the following torsional load. You can sketch the failure pattern

within the dashed box. $[1$ pt$]$