What is the formula for Young's modulus?

Practice Questions

Q1
What is the formula for Young's modulus?
  1. Stress/Strain
  2. Strain/Stress
  3. Force/Area
  4. Area/Force

Questions & Step-by-Step Solutions

What is the formula for Young's modulus?
  • Step 1: Understand that Young's modulus (E) is a measure of how stiff a material is.
  • Step 2: Know that stress is the force applied to a material divided by the area over which the force is applied.
  • Step 3: Understand that strain is the change in length of a material divided by its original length.
  • Step 4: The formula for Young's modulus is E = stress / strain.
  • Step 5: Substitute the definitions of stress and strain into the formula: E = (Force / Area) / (Change in Length / Original Length).
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