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What is the amount of stress applied to a material divided by the elastic strain caused by that stress called?
Nated14
This is known as the Modulus of Elastisity, or Youngs Modulus (in tension/compression) and will be a constant as long as the deformation is in the elastic range.
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∙ 16y ago
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∙ 11y agopoisson ratio
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What is elastic modulus?
In a tensile test, a specimen of material is pulled apart slowly until it breaks. Measurement is continuously taken of the increase in length and the force applied. The increase in length is normalized by dividing it by the original length, and the force is converted to stress by dividing it by the original cross-section area of the specimen. The results are plotted on a graph, called a stress-strain curve, with the stress on the Y axis and the strain on the X axis. The initial part of the curve is usually linear. That linear section is called the elastic region. The slope of the line in that area, which is stress divided by strain in the elastic region, is the elastic modulus.
What is definition of britleness for testing material?
A material will be graded as brittle when it breaks with only a small amount of strain. Its brittleness is based on the amount of deformation used to break the material.
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.
How is hooke's law releted to torque wrench action?
Torque wrenches depend on a modern generalisation of Hooke's Law. The deformation of an elastic material (even the steel out of which parts of a torque wrench are made) is proportional to the stress to which it is subjected. When you use a torque wrench part of it follows the thing your turning and part of it does not. That part of the torque wrench twists slightly; it's being deformed and obeys Hooke's Law. The more twist, the more torque is being applied. The needle amplifies the amount of twist so that you can read the torque on the gauge.
What is the amount of axial stress on a member which is subjected to a sudden load when compared to load applied gradually?
The maximum stress induced in a body due to suddenly applied load is twice the stress induced when the same load is applied gradually
What is elestic force?
Elastic force is the force exerted by an elastic material when it is stretched or compressed. It is a restoring force that tries to bring the material back to its original shape or size. The amount of elastic force is proportional to the amount of deformation applied to the material.
What factors affect elastic energy?
Factors that affect elastic energy include the material's elastic modulus (stiffness), the amount of deformation or stretching applied to the material, and the shape or configuration of the material. Additionally, temperature can also affect the elastic properties of a material.
What factors effect elastic potential energy?
Factors that affect elastic potential energy include the stiffness of the material (determined by its spring constant), the amount of stretch or compression applied to the material, and the distance over which the force is applied. Additionally, the elastic potential energy is directly proportional to the square of the deformation distance.
What is spring constant of an elastic material?
The spring constant of an elastic material is a measure of how stiff the material is. It represents the force required to stretch or compress the material by a certain amount. It is typically denoted by the symbol k and has units of force per unit length or force per unit deformation.
What force would be exerted by stretching or compressing elastic materials?
The force exerted by stretching or compressing elastic materials is known as the restoring force. This force is proportional to the amount of deformation applied to the material. As the material is stretched or compressed, the restoring force acts in the opposite direction to bring the material back to its original shape when the deformation is released.
What s the deformation of a solid due to an applied force?
When a force is applied to a solid, it can cause deformation by changing the shape or size of the material. This deformation can be elastic, where the material returns to its original shape after the force is removed, or plastic, where the material retains some of the deformation even after the force is removed. The amount of deformation depends on the material's properties and the magnitude of the applied force.
What 2 factors affect elastic potential energy?
The two factors that affect elastic potential energy are the amount of stretch or compression of the elastic material and the stiffness of the material, determined by its spring constant.
How can the same material bend in one situation but break in another?
A material can bend in one situation if the force applied is within its elastic limit, allowing it to deform and return to its original shape. However, if the force exceeds the material's ultimate strength, it may break due to permanent deformation or fracture. The difference lies in the amount and type of force applied and the material's ability to withstand it.
Why does an elastic band stretch if there is weight on it?
An elastic band stretches when weight is placed on it because the weight creates a force that pulls on the band, causing the elastic material to deform and increase in length. This stretching occurs because the elastic material is designed to resist the force applied to it, but it can only do so for a certain amount before reaching its breaking point.
What are the characteristics of elastic energy?
Elastic energy is the potential energy stored when an object is deformed, such as when a spring is compressed or stretched. It is a form of mechanical energy that can be converted into kinetic energy when the object returns to its original shape. The amount of elastic energy stored depends on the elastic properties of the material and the amount of deformation.
What elastic potential energy depends on?
Elastic potential energy depends on the deformation or stretching of an elastic material, such as a spring or rubber band. The amount of potential energy stored in the material is directly proportional to how much it has been stretched or compressed. This energy is released when the material returns to its original shape.
What factor does the elastic potential energy depend on?
Elastic potential energy depends on the material's elasticity (spring constant) and the amount of deformation or stretch from the equilibrium position.
