The Hooke's law states that within the elastic limit of a material

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JKSSB JE Civil 20 March 2022 Official Paper
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  1. strain produced is directly proportional to stress
  2. stress produced is inversely proportional to strain
  3. stress and strain are equal 
  4. stress is constant throughout the section of the material

Answer (Detailed Solution Below)

Option 1 : strain produced is directly proportional to stress
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CONCEPT:

  • Hooke's law states that within the elastic limit, the stress applied on a body is directly proportional to the strain produced.

⇒ Stress ∝ Strain

⇒  Stress = E × Strain  (Where E = modulus of elasticity)

F1 P.Y Madhu 08.04.20 D 2

  • Hooke's law is important because it helps us understand how a stretchy object will behave when it is stretched or compacted.
  • This law was named after Robert Hooke

EXPLANATION:

  • Hooke's law states about the strain being proportional to the stress-producing it within the elastic limit of a material.

Additional Information 

  • Stress law: It states that stress is the difference between pressure and adaptability. 
  • Newton's law of viscosity: The shear stress between adjacent fluid layers is proportional to the velocity gradients between the two layers.  
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