#Merger proposal|date=September 2008}} Torque's the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force's a push or a pull, a torque can be thought of as a twist. The symbol for torque's τ, the Greek letter tau. Torque's also called moment or moment of force. This should neither be confused with the various other definitions of "moment" in physics nor with "momentum". In the context of mechanical engineering, the terms "moment" and "torque" aren't neces… (More on Torque)