The resultant applied torque of comp1 on comp2. A 3D vector.
(Nth-Domain Applied-Torque 3 3d-Vector-Quantity) (Nth-Domain Applied-Torque 2 Mechanical-Component) (Nth-Domain Applied-Torque 1 Mechanical-Component) (=> (Applied-Torque ?Comp1 ?Comp2 ?T) (Quantity.Dimension ?T (* Force-Dimension Length-Dimension)))