Using our experience with concentrated loading on a simple beam, Prob. 320, consider a uniformly loaded simple

Question:

Using our experience with concentrated loading on a simple beam, Prob. 3–20, consider a uniformly loaded simple beam (Table A–9–7).
(a) Show that the stress-to-load equation for a rectangular-cross-section beam is given by
W = 4/3 σbh2/l
Where W = wl
(b) Subscript every parameter with m (for model) and divide the model equation into the prototype equation. Introduce the scale factor s as in Prob. 3