The moment $\vec{M}_O$ is given by the cross product $\vec{r}_{OA} \times \vec{F}_{AB}$. The magnitude of the moment is then $|\vec{M}_O|$.
First, let's define the coordinates of points O, A, and B.
Point O is the origin, so $O = (0, 0, 0)$.
From the image, point
Show more…