>> That discussion has to do with the failure of SI to notate the directions of vectors. Well if radian is a unit then torque become Nm/r and is no longer Nm l

>> That discussion has to do with the failure of SI to notate the directions of vectors. Well if radian is a unit then torque become Nm/r and is no longer Nm like energy. Then when multiplied by an angle in radians you get energy. It was *something like that*.