Science glossary film: Tension

Tension

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The strength of a pulling force, for example in a rope or cable.

The strength of a pulling force, for example in a rope or cable. Almost all materials will stretch a little under tension, though it may be only a very small amount. Its opposite is compression, and like other forces it is measured in units called newtons.

Almost all materials will stretch a little under tension, though it may be only a very small amount. Its opposite is compression, and like other forces it is measured in units called newtons.

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