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The SI unit of pressure is the

  • A.Pascal
  • B.Newton
  • C.Joule
  • D.Watt

Answer: A

Correct answer: Pascal

One pascal is one newton per square metre. It is a small unit for aerodynamic purposes - standard sea level pressure is about 101,325 of them - so the kilopascal and the bar are common in practice, and the millibar or hectopascal in meteorology.

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