Write short note on young modulus and modulus of rigidity
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Answer:
Answer:Modulus of Rigidity - G - (Shear Modulus) is the coefficient of elasticity for a shearing force. It is defined as. "the ratio of shear stress to the displacement per unit sample length (shear strain)"The modulus of rigidity depends on the material. For example, the modulus of rigidity for cast steel is approximately 11 x 106 psi (or 78 GPa), the modulus of rigidity of concrete is 3 x 106 psi (or 21 GPa), and the modulus of rigidity of aluminum is approximately 4 x 106 psi (or 28 GPa).Young's modulus or Young modulus is a mechanical property that measures the stiffness of a solid material. It defines the relationship between stress (force per unit area) and strain (proportional deformation) in a material in the linear elasticity regime of a uniaxial deformation.
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Answer:
The modulus of rigidity, also known as shear modulus, is defined as a material property with a value equal to the shear stress divided by the shear strain. ... Similar to the modulus of elasticity, shear modulus is another form of the generalized Hook's Law. The modulus of rigidity depends on the material..................................