How can I find the magnitude of a vector B when I know the unit vector B, the vector A and the result cross product of AXB?
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Emmanouil Karamousadakis on 18 Jul 2022
In other words, in a 2D plane, I know the final torque( A X B) on the k (out of the plane), I know the vector A (arm),
I know the direction the B is (the direction of the force) but I do not know the magnitude of that force
I am stuck, any help please?