Nat Hager III wrote in USMA 10178:
>I think you're mixing vector and scalar quantities here. Torque is a vector
>product of force and moment arm (r x F) while J/rad is a scalar divided by
>an angle in radians. Unless you're defining the angular measure to be a
>vector (right hand rule) but then the division gets messy.
>
>Nat
>
>> Mike Payne wrote in USMA 10170:
>>
>> >Just visited South Africa. ....Engine power was expressed in
>> >kW and Torque in N/m.
>>
>>
>> Surely torque should be expressed in N.m. I prefer J/rad.
A vector (or its reciprocal) times a scalar is still a vector. With
torque, the vector is the axis of rotation.
