or gear box. Such a mechanism multiplies torque, as rotation rate is reduced. See also References External links "Horsepower and Torque" An article showing how power, torque, and gearing affect a vehicle's performance. Torque and Angular Momentum in Circular Motion on Project PHYSNET. An interactive simulation of torque Torque Unit Converter A feel for torque An order-of-magnitude interactive. Physical quantities Rotation Force Moment (physics)