A 45 degree strain rosette is fixed to a short rectangular section pillar. The gauge reads εa =72x10^6, εb=100x10^6, εc=-240x10^-6. What are the values of W and F?
The cross section area is 600mm2 and is made out of steel which E=207GN/m2 and v=0.3. The maximum shear stress for the section of the pillar is 1.5 times the average shear stress.