Stiffness is the resistance of an elastic body to deformation by an applied force. It is an extensive material property.
The stiffness, k, of a body is a measure of the resistance offered by an elastic body to deformation (bending, stretching or compression).
where
In the International System of Units, stiffness is typically measured in newtons per metre.
As both the applied force and displacement are vectors (respectively P and δ), in general th...
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Stiffness
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