Axial stress, strain and extension

Set the force, bar diameter, length and material to see the stress, strain and extension.

Works in metric or imperial units.

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Questions students ask

What is Young's modulus?

Stress divided by strain in the elastic range: a measure of stiffness. Steel is about 200 GPa.

What formula does it use?

σ = F/A; ε = σ/E; δ = FL/(AE).

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