Strain Length Change Formula |
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\( \Delta l \;=\; \epsilon \cdot l_i \) (Strain Length Change) \( \epsilon \;=\; \dfrac{ \Delta l }{ l_i }\) \( l_i \;=\; \dfrac{ \Delta l }{ \epsilon }\) |
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| Symbol | English | Metric |
| \( \Delta l \) = length change | \( in \) | \( mm \) |
| \( \epsilon\) (Greek symbol epsilon) = strain | \( in \) | \( mm \) |
| \( l_i \) = initial length | \( in \) | \( mm \) |
