Match each term to the best description. Center of State of an extended mass object in which net force and net torque are equal to zero :: Line of action The twisting force that tends to cause rotation of an object Pivot point The average position of all parts of an object or Radial system weighted distance according to mass Static Distance between the equilibrium pivot point and point of force application : Torque Axis along which a force is applied Axis of an object around which the object rotates