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Slide 4

For a linear elastic material, using Hooke’s law, we can write the shear stress as tau is equal to G times gamma, where, G is the Shear Modulus. The shear strain on a small area of material situated at a distance rho from the center, was found in slide 3 to be: gamma is equal to rho phi over L. Thus, using Hooke's law, tau is equal to G rho phi over L. The torque, T, is calculated by integrating over the cross section the product of shear stress, tau , and the distance, rho, from the center of the shaft .

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Turkey bone

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Aluminum
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Aluminum
Turkey bone
PMMA
Cast iron

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