How do you work out Young's Modulus?

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SUMMARY

To calculate Young's Modulus, one must determine the gradient of the stress-strain graph. In this context, stress is measured in newtons per square meter (N/m²) and strain is a dimensionless quantity. The resulting unit for Young's Modulus is also in newtons per square meter (N/m²). This method provides a clear and effective way to quantify the material's elasticity.

PREREQUISITES
  • Understanding of stress and strain concepts
  • Familiarity with graph interpretation
  • Basic knowledge of units of measurement in physics
  • Ability to calculate gradients of linear graphs
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  • Research how to plot stress-strain graphs accurately
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I am really finding it hard to work out Young's Modulus.

I have my stress / strain graph

I was told I should apply a gradient on the graph to work out youngs modulus

The strain is in (m) and the stress is in (nm-2)

How do I work out the youngs modulus, and what unit of measurement would youngs modulus be in?
 
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Look in Wikipedia. It's a good explanation.
 

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