COUPLE

Couple

In mechanics, a couple is a system of forces with a resultant moment but no resultant force. A better term is force couple or pure moment. Its effect is to create rotation without translation, or more generally without any acceleration of the centre of mass. In rigid body mechanics, force couples are free vectors, meaning their effects on a body are independent of the point of application.

The above text is a snippet from Wikipedia: Couple (mechanics)
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couple

Noun

  1. Two partners in a romantic or sexual relationship.
  2. Two of the same kind connected or considered together.
  3. A small number.
  4. One of the pairs of plates of two metals which compose a voltaic battery, called a voltaic couple or galvanic couple.
  5. Two forces that are equal in magnitude but opposite in direction (and acting along parallel lines), thus creating the turning effect of a torque or moment.
  6. A couple-close.
  7. That which joins or links two things together; a bond or tie; a coupler.

Verb

  1. To join (two things) together, or (one thing) to (another).
    Now the conductor will couple the train cars.
    I've coupled our system to theirs.
  2. To join in wedlock; to marry.
  3. To join in sexual intercourse; to copulate.


The above text is a snippet from Wiktionary: couple
and as such is available under the Creative Commons Attribution/Share-Alike License.

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