(Solved):   6. Find the normal stress and shear stress at the given plane. Use general stress transfor ...

 

6. Find the normal stress and shear stress at the given plane. Use general stress transformation equations. \( b x^{\prime}=\frac{6 x+6 y}{2}+\frac{b x-64}{2} \cos 7 \theta+1 x y \sin { }^{2} \theta= \) \( 1 x^{\prime}=\frac{6 x-6 y}{2} \sin 20+1 x y \cos 2 \theta=459.807 \)