Determine the minimum factor of safety for ylelding. Use both the maximum$-$shear$-$stress theory and the distortion$-$energy theory and compare the results. The materlal is $1018CD$ steel. ${}_1=200$MPa,${}_2=-8\mathrm{.}8$MPa, and ${}_{\text{m}\text{a}\text{x}}=104\mathrm{.}7268$MPa.

The minimum factor of safety for ylelding using maximum$-$shear$-$stress theory is

The minimum factor of safety for yleiding using distortlon$-$energy theory is