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Which of the following is NOT a unit of pressure?
1. Joule
2. N/m2
3. Bar
4. Pa

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Correct Answer - Option 1 : Joule

Explanation:

Force:

The interaction which after applying on a body changes or try to change the state of rest or state of motion of a body is called force. The SI unit of force is Newton (N)

Force (F) = Mass (m) × acceleration (a)

Pressure:

The force per unit area is called pressure.

  • The SI unit of pressure is the pascal (Pa) or N/m2.
  • The metric unit of pressure is the bar.

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