Question

what is torque?
the advantage gained by using a mechanism to transmit force
a gear that is connected to motor or other input force
a robot that gets mobility from wheels, tank treads, or another method
the measure of a force causing an object to rotate about an axis

Explanation:

Torque is defined as the measure of a force that causes an object to rotate about an axis. It is a rotational - equivalent of linear force. The other options do not correctly define torque.

Answer:

The measure of a force causing an object to rotate about an axis