Common
Moment (physics)
Product of a distance and physical quantity
Moment (physics)
A moment is a mathematical expression involving the product of a distance and a physical quantity such as a force or electric charge. Moments are usually defined with respect to a fixed reference point and involve physical quantities located some distance from the reference point. For example, the moment of force, often called "torque", is the product of a force on an object and the distance from the reference point to the object. Commonly used moments involve forces, masses, and electric charge distributions, among other quantities.
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