Either way, the magnitude of the moment of the force, also known as the torque, is rFsinθ We can regard it as a vector, τ, perpendicular to the plane of the paper: The d...Either way, the magnitude of the moment of the force, also known as the torque, is rFsinθ We can regard it as a vector, τ, perpendicular to the plane of the paper: The dimensions of moment of a force, or torque, are ML 2 T -2 , and the SI units are N m. (It is best to leave the units as N m rather than to express torque in joules.)