When a body is subjected to an axial tensile or compressive load, there is an axial deformation in the length of the body. The ratio of axial deformation to the original length of the body is known as Longitudinal Strain.
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What is longitudinal strain class 11th physics?
The longitudinal strain is defined as the ratio of change in length of the material due to the applied force to the original length.
What is longitudinal and transverse strain?
When a material receives a tensile force P, it elongates in the axial direction while contracting in the transverse direction. Elongation in the axial direction is called longitudinal strain and contraction in the transverse direction, transverse strain.
What is longitudinal and lateral strain?
The lateral strain is the ratio of change in the diameter of the wire to its change in diameter in longitudinal direction. The longitudinal strain is the ratio of change in the length of the wire to the original length of the wire. The ratio of lateral strain to the longitudinal strain is called Poisson’s ratio.
What is longitudinal strain formula?
Answer: The longitudinal strain is the change in length divided by the original length. The change in length is the difference between the final length (l2) and the initial length (l1). The strain can be found using the formula: S = 0.017. The longitudinal strain is 0.017.
What is the SI unit of strain?
The unit for strain in the SI (Systรจme International) is “one” i.e. 1 ฮต= 1 = 1 m/m. In practice, the “unit” for strain is called “strain” and the symbol e is used. Usually, strain is in the order of um/m, i.e. 10-6, and therefore, the unit “ยตฮต” (microstrain) is most commonly used.
How is shear strain defined?
Shear strain is measured as a change in angle between lines that were originally perpendicular. Consider an elemental area that undergoes a distortion that produces angular changes, but which leaves the sides of the area approximately the same length (Figure 5).
What is tensile stress and longitudinal strain?
Young’s modulus is defined as the ratio of tensile (or compressive) stress to the longitudinal strain. Was this answer helpful?
What is longitudinal and tangential strain?
tangential longitudinal strain In a fold, a buckling (see BUCKLE FOLDING) strain distribution in which strain is internal (in contrast to layer-parallel strain), and concentrated in the hinge zone, leaving the limbs relatively unstrained.
What is the transverse strain?
In continuum mechanics, lateral strain, also known as transverse strain, is defined as the ratio of the change in diameter of a circular bar of a material to its diameter due to deformation in the longitudinal direction.
What are types of strain?
The four types of strain are longitudinal strain, lateral strain, volumetric strain and shear strain.
What is transverse strain formula?
The transverse or lateral strain (ฮต) can be given as the change in the lateral dimension or width of the material (ฮD) divided by its original width (D). ฮต = ฮD / D.
What is difference between longitudinal and lateral?
Answer. Answer:Anything which is along the axis or parallel to the length is called longitudinal and perpendicular to the axis or length is called lateral. Both are perpendicular to each other.
What is lateral and linear strain?
Linear strain is a strain that occurs along the direction of the force and lateral strain is a strain that occurs perpendicular to linear strain.
What is the longitudinal stress?
Longitudinal Stress = Deforming Force / Area of cross-section = F/A. As the name suggests, when the body is under longitudinal stress- The deforming force will be acting along the length of the body. Longitudinal stress results in the change in the length of the body.
What is state Hooke’s Law?
Mathematically, Hooke’s law states that the applied force F equals a constant k times the displacement or change in length x, or F = kx. The value of k depends not only on the kind of elastic material under consideration but also on its dimensions and shape.
What is a strain in physics?
Strain is the amount of deformation experienced by the body in the direction of force applied, divided by the initial dimensions of the body. The following equation gives the relation for deformation in terms of the length of a solid: ฯต = ฮด l L.
How many types of longitudinal strains are there?
Solution : Longitudinal strain can be classified into two types :
(i) Tensile strain : If the length is increased from its natural length then it is known as tensile strain .
(ii) Compressive strain : If the length is decreased from its natural length then it is known as compressive strain.
What is the symbol for strain?
The conventional symbols for stress are the Greek letters ฯ and ฯ and the symbols used for strain are ฮต and ฮณ.
What is Young’s modulus units?
The units of Young’s modulus in the English system are pounds per square inch (psi), and in the metric system newtons per square metre (N/m2).
How is strain measured?
How do you measure strain? You can measure strain using several methods, but the most common is with a strain gage. A strain gage’s electrical resistance varies in proportion to the amount of strain in the device. The most widely used strain gage is the bonded metallic strain gage.
What is the formula of strain?
Strain Formula is articulated as, S t r a i n ( ฮต ) = x L. Where, Change in dimension is x, The original dimension is L.
What is shear stress and shear strain?
The shear stress is defined to be the ratio of the tangential force to the cross sectional area of the surface upon which it acts, ฯS=FtanA. The shear strain is defined to be the ratio of the horizontal displacement to the height of the block, ฮฑ=ฮดxh.
What is tensile strain in physics?
Tensile strain is the measure of the deformation of an object under tensile stress and is defined as the fractional change of the object’s length when the object experiences tensile stress.
What is the formula for longitudinal stress?
Biaxial tension on thin walled tube (tension and internal/external pressure) The longitudinal stress is ฯl sin cot and the tangent one is ฯt sin(ฯt + ฯ) with ฯl/ฯt = ฮป.