Public-benefit corporation. Public-benefit corporations are a specific type of corporation that allow for public benefit to be a charter purpose in addition to the traditional corporate goal of maximizing profit for shareholders.
On the outside there is a, leather, or plastic, depending on the baseball type. Next layer is what seems to be twine wrapped around the next layer which is yarn.he spin (or lack there of) on a baseball is what makes the ball 'fly' like it does. As the ball cuts through the air, the stitches on the ball create aerodynamic forces of varying amounts on different sides of the ball.
Red stitches are placed on the ball to allow pitchers to throw curve balls. Curve balls curve since the air resistance on the stitches is non-uniform. From my experiment of weighing a baseball, the result came out to be 142.54 grams which fits within the accepted range of 142 to 149 grams. Christina Lee -- 1999. Related pages in The Physics Factbook 1  : Force of a bat on a baseball.