What is the unit of Young's modulus?

Practice Questions

Q1
What is the unit of Young's modulus?
  1. N/m²
  2. Pa
  3. J/m³
  4. N/m

Questions & Step-by-Step Solutions

What is the unit of Young's modulus?
  • Step 1: Understand that Young's modulus is a measure of how stiff a material is.
  • Step 2: Know that Young's modulus is calculated by dividing stress by strain.
  • Step 3: Learn that stress is defined as force per unit area, which is measured in Pascals (Pa).
  • Step 4: Recognize that strain is a dimensionless quantity (it has no units).
  • Step 5: Since Young's modulus is stress (in Pascals) divided by strain (dimensionless), the unit of Young's modulus is also in Pascals (Pa).
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