Elasticity

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Classification of Materials

  • Deformation and Deforming Force
  • Elastic Materials and Their Characteristics
  • Plastic Materials and Their Characteristics
  • Rigid Materials and Their Characteristics

Longitudinal Stress, Strain, and Young’s Modulus of Elasticity

  • Concept of Stress and Strain
  • Hooke’s law of elasticity
  • Longitudinal Stress and Longitudinal Strain
  • Young’s Modulus of Elasticity
  • Expression for Young’s Modulus of Elasticity fo Material of a Wire
  • Poisson’s Ratio

Numerical Problems on Stress, Strain, and Young’s Modulus of Elasticity

  • Conversion Factors
  • Formulae
  • Numerical Problems

Numerical Problems on Poisson’s ratio

  • Concept of Poisson’s ratio
  • Formulae
  • Numerical Problems

Numerical Problems on Compound Wires

  • To Find the Ratio of Extensions, Ratio of Moduli of Elasticity
  • To find the Individual Extension in Compound Wire.

Behaviour of Ductile Material Under Increasing Load

  • Searle’s Experiment
  • Sources of Error in Experiment and Their Elimination
  • Stress-Strain Curve for Ductile Material
  • Important Points on Stress-Strain Curve
  • Stress-Strain Curve for Brittle Material

Volumetric Stress, Volumetric Strai, and Bulk Modulus of Elasticity

  • Volumetric Stress
  • Volumetric Strain
  • Bulk Modulus of Elasticity
  • Compressibility
  • Numerical Problems

Shear Stress, Shear Strain, and Modulus of Rigidity

  • Shear Stress
  • Shear Strain
  • Modulus of Rigidity
  • Numerical Problems
  • Relation Between Three Moduli of Elasticity

Strain Energy

  • Work Done in Stretching a Wire
  • Concept of Strain Energy
  • Strain Energy Per Unit Volume
  • Numerical Problems

Miscellaneous Topics

Science > Physics > Elasticity