Shear modulus is a measure of the amount of force that will shear or twist an object. It is normally the letter G. It is the measure of the force needed to shear an object that is attached to a solid object. It can also measure the amount of force needed to twist an object.
Shear Modulus Media
The principle of shear is visualized. The specification are choosen to fit in the German Article.
Shear modulus of copper as a function of temperature. The experimental data are shown with colored symbols.