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What is the unit of Young's modulus?

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Question: What is the unit of Young\'s modulus?

Options:

  1. N/m²
  2. Pa
  3. J/m³
  4. N/m

Correct Answer: Pa

Solution: 

Young\'s modulus is defined as stress divided by strain and is measured in Pascals (Pa).

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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