The square element in the figure is subjected to a biaxial stress of 400 N/mm2 as shown. What is the intensity of normal stress σn on the plane BD?
1
200
2
3
\(\frac{400}{\sqrt 2} \)
4
0
The square element in the figure is subjected to a biaxial stress of 400 N/mm2 as shown. What is the intensity of normal stress σn on the plane BD?