Front

mechanical advantage

Back

Advantage gained by the use of a mechanism in transmitting force. Also described as a measure of the ratio of output force to input force in a system.

Front

gear train

Back

A mechanism that is made up of two or more gears.

Front

driving gear

Back

The gear which is connected to the input force (such as a motor).

Front

driven gear

Back

The gear which is connected to the output (such as the wheel), and moves because it’s connected to the input or driving gear.

Front

torque

Back

A measure of the force that can cause an object to rotate about an axis, also known as rotational force.