The Tension reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Tension

In physics, tension is a force on a body directed to produce extension; it can be considered to be negative compression. It is measured in according units (newton, dynes, pound-forces, etc). Tension is the dominant static force acting on such objects as a guitar string or a stretched rubber band.

Hooke's Law states the relation between the stress on an object and the resultant increase in its length. The modulus of elasticity of a spring or elastic string can be used to calculate the force it exerts under a specific extension.

The word 'tension' is also sometimes used to refer to electrical voltage; this is the usage in the term high-tension line. Colloquially, 'tension' is used to refer to physiological or mental stress.

In music tension is the perceived need for relaxation or release (Sturm und Drang) created by a listener's expecations as well as dissonance, repetition, tempo, a gradual rise in pitch, and other factors.

External link

• A Connectionist Approach to Driving Chord Progressions Using Tension by Andrés Melo and Geraint Wiggins, .PDF format

See also

• surface tension

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