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Question

What is the SI unit of pressure? Define it. Is it a scalar or vector quantity?


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Solution

  1. The SI unit of pressure is “Pascal” which is usually denoted by “Pa”.
  2. Pressure=thrustarea
  3. One Pascal is the pressure exerted by a thrust of one newton on one square meter area of the body.
  4. Pressure has only magnitude and not direction and therefore is a scalar quantity.

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