Football is THE sport in the United States unarguably. Coming from Ohio where the heart of football lives, thrives and bangs out alumni fanatics, you can't but take up the call of the pigskin.
The Pigskin
The pigskin is an unusual animal and a very useful example in illustrations of basic dynamics. Football is speed and thundering mass. Foot ball is finesse and the perfection of the long pass. But the pigskin is wholly owned by Newton and Leibniz. So, we'll explore the math and the physics of America's sport.
A football can be modeled as approximately an ellipsoid. It has basic dimension dictated by rule by the NCAA and the NFL.