Football

The football is a rubber bladder that is inflated and has a pebble-grained leather cover. On one of the four sides are white sewed laces to help players throw the ball and give players more grip on the ball. The circumference of the football length way is about twenty-eight to twenty-eight point five inches and the circumference width way is about eleven to eleven point two five. These dimensions are for the NFL footballs, but …

…it flies better and further if it spins in the same direction, which is called a spiral. If the front of the ball, called the nose, is in front of the rest of the ball and hits the ground, it will bounce backward away from the direction it was thrown. On the other hand, if the nose is behind the body of the ball, the ball will bounce forward in the direction it was thrown.