Footballs have been made out of a variety of materials over the years, including bladders, [[ wholesale nfl jerseys]] hides, rubber, paint, leather and [[ wholesale jerseys nfl jerseys from china]] string. According to Timothy Gay in "Football Physics: The Science of the Game," the shape of the ball is a prolate spheroid.
There are no comments on this page.
Valid XHTML :: Valid CSS: :: Powered by WikkaWiki