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1 Pascal (Pa) is equal to :

  • A.\(1\ N/m^{2}\)
  • B.\(10\ N/m^{2}\)
  • C.\(1\ NS/m^{2}\)
  • D.\(10\ NS/m^{2}\)

Answer: A

1 Pascal equals \(1\ N/m^{2}\).

Pressure is force per unit area, and the SI unit, the pascal, is defined as a force of one newton acting on one square metre.

10 N/m2 would be 10 Pa. N s/m2 is not a unit of pressure at all: it is the pascal-second, the SI unit of dynamic viscosity.

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