A wooden beam has a square cross section as shown in the figure below. (Figure 1) Determine which orientation of the beam provides the greatest strength at resisting the moment M. Case (a) Case (b) Submit Request Answer Part B Figure < 1 of 1 > (a) M (b) What is the difference in the resulting maximum stress in both cases? Express your answer in terms of the variables M and a. Express your answer using three significant figures. M Amax VA vec Submit Request Answer ?