Barry’s art exhibit contains many tiny marble sculptures placed around a central piece called “Politics.” The central piece consists of three identical bars, each of length L and mass m, joined as in Figure. Two bars form a fixed ^, and the third bar is suspended on a hinge. Asked to explain the name, Barry said, “It swings from left to right with hinges flapping, but no matter where you start it from, you end up in the same place.” When the system is in equilibrium, what is the value of q?