Moment (physics) - Wikipedia
https://en.wikipedia.org/wiki/Moment_(physics)
OverviewElaborationApplications of multipole momentsHistorySee alsoExternal linksIn physics, a moment is a mathematical expression involving the product of a force and perpendicular distance from the point of action of the force. Moments are usually defined with respect to a fixed reference point and refer to physical quantities located some distance from the reference point. In this way, the moment accounts for the quantity's location or arrangement. For example, the moment of force, often called torque, is the product of a force on an object and the …
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