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What is stress?

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Anonymous

9y ago
Updated: 5/20/2024

Stress is the feeling of being overwhelmed or unable to cope with mental or emotional pressure.

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jkw8886

Lvl 11
3y ago

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What is the relationship between resolved shear stress and critical resolved shear stress in materials science?

In materials science, the relationship between resolved shear stress and critical resolved shear stress is that the critical resolved shear stress is the minimum amount of shear stress needed to cause dislocation movement in a material. Resolved shear stress is the component of an applied stress that acts in the direction of dislocation movement. When the resolved shear stress exceeds the critical resolved shear stress, dislocations can move and deformation occurs in the material.


What is the difference between yield stress and ultimate stress in materials testing?

Yield stress is the point at which a material begins to deform permanently, while ultimate stress is the maximum stress a material can withstand before breaking. Yield stress indicates the material's ability to return to its original shape after being stressed, while ultimate stress shows its breaking point.


What is the relationship between normal stress and shear stress in a material under mechanical loading?

Normal stress and shear stress are two types of stresses that act on a material under mechanical loading. Normal stress is a force applied perpendicular to the surface of the material, while shear stress is a force applied parallel to the surface. The relationship between normal stress and shear stress depends on the material's properties and the direction of the applied forces. In general, normal stress and shear stress can interact and affect each other, leading to complex mechanical behaviors in the material.


What is the difference between normal stress and shear stress in the context of material deformation?

Normal stress acts perpendicular to the surface of a material, while shear stress acts parallel to the surface. Normal stress causes compression or tension, while shear stress causes sliding or deformation along the surface.


How to calculate strain from stress?

To calculate strain from stress, you can use the formula: Strain Stress / Young's Modulus. Stress is the force applied to an object, while Young's Modulus is a measure of the stiffness of the material. By dividing the stress by the Young's Modulus, you can determine the strain, which is the amount of deformation the material undergoes in response to the stress.