ABSTRACT
Pressure (P) is defined as force per area, https://www.w3.org/1998/Math/MathML"> P = F / A https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429506437/b0c3aca5-be46-4e40-9f03-73df07f3e812/content/equ10_42.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
