Moment of Couple is Invariant over Plane of Forces

Theorem

A couple has the same moment about any arbitrary point in the plane of the two forces that compose it.

Proof

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Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): couple
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): couple