Physics of Hacky Sac Essay -- physics sport sports footbag

HistoryHackey Sac, or Footbag as it is commonly called, has only recently become a sport. Versions of the action mechanism have existed in Chinese, Native American, Thai, and other cultures for hundreds of years however, a formal structure for the sport was not adopted until 1972 when John Stalberger and Mike Marshall created the do used today. Hackey Sac now falls into one of two categories freestyle and net footbag. Freestyle, like that of other sports, consists of a routine of difficult tricks completed in date with a maxiumum number of difficult tricks performed in a minimal time. Net footbag resembles volleyball in its use of a net (although only only raised to a height of 5 feet), except instead of manipulating the ball with hands, players use their feet. The topics discussed in these pages will focus on the freestyle elements of footbag rather than net due to the more than complex motions involved in freestyle.PurposeHacky Sac, like most sports, consists of properly apply ing physics concepts with physical performance. Logically it follows that some tricks are ...