Well, π is an irrational number. now you will be thinking if π is equal to 22/7. then why is it irrational while a/b is a rational no. But my dear π is irrational because it values is not certain....
Introduction Drag is the enemy of flight and its cost. One group of those forces is aerodynamic forces that split into two forces: Lift force or lift, and Drag force or drag. A pre-requisite to aircraft...