Physics

Problem

Which one of the following expressions represents the torque

\vec{\tau}

of a force

\vec{F}

acting at a point whose position vector relative to the origin is

\vec{r}

? a)

\vec{F}\times\vec{r}

\vec{r}\cdot\vec{F}

\dfrac{\vec{r}\times\vec{F}}{|\vec{r}|}

\vec{r}\times\vec{F}