Lesson: Chapter 15 — Fluid Pressure and Its Applications

15.1. Pressure 2 of 5 Reset answers

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Question 2

What other name is given to the unit of pressure 1 N m⁻²?

A The square metre (m²) B The newton (N) C The pascal (Pa) D The joule (J)

The right answer is the one marked above.

The pascal (Pa). In honour of the French scientist Blaise Pascal, 1 N m⁻² is also written as 1 Pa.

The newton is the unit of force, the square metre the unit of area and the joule the unit of energy — none of them measures pressure.

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