2 Matching Annotations
  1. Sep 2019
    1. 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...

  2. Jan 2017
    1. We will use Trig. we could use tensile algebra but we just want to use it not know how the math works.