1. The problem statement, all variables and given/known data The platform assembly has weight 250lb and a center of gravity at G1. If it is intended to support a maximum load of 400lb at G2, determine the smallest counterweight W that should be placed at B in order to prevent the platform from tipping over. http://img252.imageshack.us/img252/7074/problemgq2.th.jpg [Broken]http://g.imageshack.us/thpix.php [Broken] 2. Relevant equations Sum Fx=0 Sum Fy=0 3. The attempt at a solution I don't know where to begin.