Q:

The unit of pressure called the ‘pascal’ (symbol Pa) is the name given to which of the following combination of units?

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The unit of pressure called the ‘pascal’ (symbol Pa) is the name given to which of the following combination of units?


  1. newton per metre (N/m).
  2. newton per square metre (N/m2 ).
  3. millimetres of mercury (mm Hg).
  4. force per area (F/A).

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B: Pressure units are derived from force and area units. Choices C & D are not combinations of units. 

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