You draw the dimensions and forces, etc. on a diagram (as exactly as possible) and measure the diagram to get the result. Us3ed a lot on the old days when teach

You draw the dimensions and forces, etc. on a diagram (as exactly as possible) and measure the diagram to get the result. Us3ed a lot on the old days when teaching statics. eg. http://web.mit.edu/4.441/1_lectures/1_lecture8/1_lecture8.html http://web.mit.edu/4.441/1_lectures/1_lecture8/1_lecture8.ht...