The product of a force and its perpendicular distance from a point about which it causes rotation or torsion. The unit of torque is the newton metre, a vector product, unlike the joule, also equal to a newton metre, which is a scalar product. A turbine produces a torque on its central rotating shaft. See also couple.
Torque. The torque N = r x F, where r is the distance from the point 0 and F is the force.
A synonym for moment.
The ability of a mechanism to do work, usually by rotation, such as a bolt or a rotating shaft on a pump or compressor, or viscometer, which takes into account the distance through which force is applied:
where F is the force and L is the length from the axis of the shaft. The SI units are N m.
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