I have to replace a 20 ft beam that spans from gable end to gable end of a small barn. I want to make the beam. I am going to use 2by 10s and 3/4 plywood glued and nailed between them. Do the 2by 10s have to b 20 20 footers or can I piece them and stagger the joints?

My headlights will only work on high beams. My sister owned the Durango before and said she had to mess with the switch from time to time to get low beams to work then finally stopped working. Anyone ran into this problem? I think its in the steering column. I've checked fuses and headlights. ...

Hi, I'm a Mech Eng by education, but haven't used many of the skills for a long while. Can someone please run through the equations for calculating bending moment, stress, and deflection of a simply-supported beam? Maybe, for example, using a 2x10 (1.5" x 9.25" wood floor joist?? )... As I...