The longitudinal extension of any elastic material is very small. In order to have an appreciable change the material must be in the form of:

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The longitudinal extension of any elastic material is very small. In order to have an appreciable change the material must be in the form of:

1.thin block of any cross-section

2.thick block of any cross-section

3.long thin wire

4.short thin wire

Posted Date:-2021-09-25 23:05:18

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