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Robert Hooke in 1660 discovered the stress strain relation known as Hooke's law. The shear tress relation ( stress = rigidity modulus x shear strain) is a logical extension of Hooke's law,

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Why the engineering stress-strain curve in shear is the same as the true stress-strain curve?

The engineering stress-strain curve in shear is the same as the true stress-strain curve because, in shear, the definitions of stress and strain do not change significantly with the material's deformation. True stress accounts for the instantaneous area under load, while engineering stress uses the original area; however, in shear, the relationship remains linear up to the yield point, and the area reduction effect is minimal for typical shear tests. Thus, both curves reflect the same material behavior in shear deformation, leading to equivalent representations.


What is the significance of shear stress and shear strain curve and what does it represent?

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What is shear modulus depends on?

Shear modulus, which is also often referred to as the modulus of rigidity or torsion modulus, is a measure of the rigid or stiff nature of different types of solid materials. It is derived from the material's ratio of its shear stress value to that of shear strain. Shear stress is a value of how much force is applied to a square area of a material, usually measured in pressure values of pascals. Strain is the amount that the material has deformed under stress divided by its original length. The shear modulus value is always a positive number and is expressed as an amount of force per unit area, which is generally recorded as metric gigapascals (GPa) because the values are more practical than English equivalents.


What is the ratio of average shear stress to maximum shear stress for a circular section?

the average shear stress is 3/4 the maximum shear stress for a circular section


Modulus of rigidity of rubber?

The modulus of elasticity , E, relates tensile stress to tensile strain The modulus of rigidity, G, relates shear stress to shear strain The bulk modulus, K, relates compressive stress to volume strain The three are related using u, poisson ratio of material, that varies generally from 0 to 0.5 E = 9K/ (1 + 3K/G) G = E/2(1+u) G = 3(1-2u)K/2(1+u)

Related Questions

How do you calculate the shear modulus of a material?

The shear modulus of a material is calculated by dividing the shear stress by the shear strain. This can be represented by the equation: Shear Modulus Shear Stress / Shear Strain.


Modulus of rigidity is the ratio of?

It is the ratio of shear stress to shear strain.


Definition of hooke's law in shear?

Hooke's Law in shear states that the shear stress in a material is directly proportional to the shear strain applied, as long as the material remains within its elastic limit. This relationship is expressed mathematically as τ = Gγ, where τ is the shear stress, G is the shear modulus, and γ is the shear strain.


Why the engineering stress-strain curve in shear is the same as the true stress-strain curve?

The engineering stress-strain curve in shear is the same as the true stress-strain curve because, in shear, the definitions of stress and strain do not change significantly with the material's deformation. True stress accounts for the instantaneous area under load, while engineering stress uses the original area; however, in shear, the relationship remains linear up to the yield point, and the area reduction effect is minimal for typical shear tests. Thus, both curves reflect the same material behavior in shear deformation, leading to equivalent representations.


Relationship between the shear stress and angle of shear?

Shear Stress divided by the Angle of Shear is equals to Shear Stress divided by Shear Strain which is also equals to a constant value known as the Shear Modulus. Shear Modulus is determined by the material of the object.


How can one determine the shear strain in a material by finding shear strain?

To determine the shear strain in a material, you can find the shear strain by dividing the displacement of the material parallel to the shearing force by the original length of the material. This calculation helps quantify how much the material deforms under shear stress.


What is the significance of shear stress and shear strain curve and what does it represent?

hi .. this Q I have asked you to answer it ..... how can I answer it if I have knowing the answer so why I aske you to answer me ...


Who discovered stress and strain?

Hans Selye discovered Stress in 1935 as a syndrome occurring in laboratory rats


What is shear stress in science?

Shear stress in science refers to the force per unit area parallel to a surface, causing it to deform or slide. It is commonly used to describe the stress applied to materials such as fluids or solids that results in deformation without changing the volume.


What is meant by shear in a bolt?

The "sideways" or shearing force (stress) applied to the bolt or the corresponding strain produced by that force.


What is the difference between the modulus of rigidity and modulus of elasticity?

We knew from Hook's law- "stress is proportional to strain." So, stress = k * strain [here, k is a constant] or, stress/strain= k Now, if the stress and strain occurs due to axial force then k is known as modulus of elasticity and it is denoted by E. if the stress and strain occurs due to shear force then k is known as modulus of rigidity and it is denoted by G.


How can one determine the shear modulus of a material?

The shear modulus of a material can be determined by conducting a shear test, where a force is applied parallel to the surface of the material to measure its resistance to deformation. The shear modulus is calculated by dividing the shear stress by the shear strain experienced by the material during the test.