Q:

The quantity called ‘pressure’ is defined as the

0

The quantity called ‘pressure’ is defined as the 


  1. mass per unit area.
  2. force per unit area.
  3. height of mercury supported by the atmosphere
  4. newton per square metre.

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B: Pressure = force ÷ area. Force and mass are different. Newton per square metre is the unit but not a definition of pressure.

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