In Figure 2.4, stress σ has a magnitude F/AB and makes an angle θ with the top and bottom of our square. The forces perpendicular (Fn) and parallel (Fs) to the plane EF are:
I dont really understand this at all...
In Figure 2.4, stress σ has a magnitude F/AB and makes an angle θ with the top and bottom of our square. The forces perpendicular (Fn) and parallel (Fs) to the plane EF are:
I dont really understand this at all...