Torque is a force that rotates, or turns, an object about its pivot, or fulcrum. Some examples are:
turning of a doorknob
turning of a see saw on its fulcrum
unscrewing of a bottle top
Consider the diagram below and choose the correct statements regarding torque:
Image failed to load: torque diagram

Question

Torque is a force that rotates, or turns, an object about its pivot, or fulcrum. Some examples are:

turning of a doorknob

turning of a see saw on its fulcrum

unscrewing of a bottle top

Consider the diagram below and choose the correct statements regarding torque:

Image failed to load: torque diagram

Answer

torque is perpendicular to vector    \vec{r}   only

Answer

torque is perpendicular to the vectors    \vec{r}   and   \vec{F}

Answer

torque is perpendicular to vector    \vec{F}   only

Answer

torque is a vector quantity

Answer

torque is a scalar quantity

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