Saturday, July 12, 2008

Hooke’s law

If the deformation is small, the stress in a body is proportional to the corresponding strain.

By Hooke’s law, for small deformations,

Tensile stress/Tensile strain = Y is a constant for a given material
Y is termed as Young’s modulus.

Y = (F/A)/ (ΔL/L) = FL/(A ΔL)

(chapter: Mechanical Properties)

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