Question

define strain? and it's SI unit
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Answer 1

Answer:

The unit for strain in the SI (Système International) is “one” i.e. 1 ε= 1 = 1 m/m. In practice, the “unit” for strain is called “strain” and the symbol e is used. Usually, strain is in the order of um/m, i.e. 10-6, and therefore, the unit “µε” (microstrain) is most commonly used.

Explanation:

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Answer 2

Answer:

Strain is essentially the proportion of how much an article is extended or distorted. Strain happens when power is applied to an article. Strain manages the adjustment of length of the article.

Explanation:

The unit for strain in the SI (Système International) is "one" for example 1 ε= 1 = 1 m/m.