Notes From December 1st

A fluid is a material that flows like liquids and gases

Pressure is the measure of the force acting perpendicular to a unit area.

The Formula: P = F/A

  • Force (F) is measured in Newtons
  • Area(A) is measured in $m^2$

Units of pressure: (from the formula N/m2) Pa (pascals), kPa (kilopascals), 1kPa = 1000Pa

  • Instead of using two units, scientists decided to invent one unit to denote this relationship: Pa - after a well known scientist Pascal.

If force increases —> pressure increases
If area increases —> pressure decreases

The pressure of fluids is exerted in all directions equally.

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