The rotational effect is produced by

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(C) The torque $\vec{	au}$ is defined as the cross product of the position vector $\vec{r}$ and the force vector $\vec{F}$:$\vec{	au} = \vec{r} 	im

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the transverse component of the force

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(C) The torque $\vec{	au}$ is defined as the cross product of the position vector $\vec{r}$ and the force vector $\vec{F}$:$\vec{	au} = \vec{r} 	imes \vec{F}$The magnitude of the torque is given by $	au = r F \sin \phi$,where $\phi$ is the angle between the position vector $\vec{r}$ and the force vector $\vec{F}$.In this expression,$F \sin \phi$ represents the component of the force perpendicular to the position vector,which is known as the transverse component.The radial component $F \cos \phi$ acts along the line of the position vector and does not contribute to the rotational effect (torque).Therefore,the rotational effect is produced by the transverse component of the force.

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