Question $3($ points$)$

The splined ends and gears attached to the steel shaft are subjected to the torques

shown. Determine the maximum shear strain of point $B$ with respect to end $A.$ The

shaft has a diameter of $40$ mm $.$ Assume $E=200$GPa and $G=77$GPa.

$1\mathrm{.}89{10}^{-2}$

$3\mathrm{.}35{10}^{-5}$

$1\mathrm{.}24\backslash$times $10-2$

$1\mathrm{.}65{10}^{-4}$