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What is the unit of pressure in the SI system?

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Question: What is the unit of pressure in the SI system?

Options:

  1. Pascal
  2. Bar
  3. Torr
  4. Atmosphere

Correct Answer: Pascal

Solution: 

The SI unit of pressure is Pascal (Pa), defined as one newton per square meter (N/m²).

What is the unit of pressure in the SI system?

Practice Questions

Q1
What is the unit of pressure in the SI system?
  1. Pascal
  2. Bar
  3. Torr
  4. Atmosphere

Questions & Step-by-Step Solutions

What is the unit of pressure in the SI system?
Correct Answer: Pascal (Pa)
  • Step 1: Understand that pressure is a measure of force applied over an area.
  • Step 2: Know that the SI system is a standard system of measurement used worldwide.
  • Step 3: Learn that the unit of force in the SI system is the newton (N).
  • Step 4: Learn that the unit of area in the SI system is the square meter (m²).
  • Step 5: Combine these two units to define pressure: Pressure = Force / Area.
  • Step 6: Therefore, the unit of pressure is newton per square meter, which is written as N/m².
  • Step 7: The unit N/m² is also called Pascal (Pa).
  • Step 8: Conclude that the SI unit of pressure is Pascal (Pa).
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