How is the direction of torque determined?

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(C) The direction of torque $\vec{	au} = \vec{r} 	imes \vec{F}$ is determined by the right-hand screw rule.If we rotate a right-handed screw from th

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By the right-hand screw rule

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(C) The direction of torque $\vec{	au} = \vec{r} 	imes \vec{F}$ is determined by the right-hand screw rule.If we rotate a right-handed screw from the direction of the position vector $\vec{r}$ towards the direction of the force vector $\vec{F}$ through the smaller angle,the direction in which the screw advances gives the direction of the torque vector.Alternatively,it is perpendicular to the plane containing both $\vec{r}$ and $\vec{F}$.

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