Hello, I was working on a problem dealing with torque, and it was basically a long piece of wood resting on top of two metal poles. (scaffold like), and a worker standing on one end of the wood. When i was reading the solution, i noticed that gravity was factored in at the center of mass. I think this is because I chose the pivot point as the intersection of one of the metal poles and the piece of wood. My question is: is gravity in torque questions ALWAYS factored in at the center of mass?? Thanks a lot!!