Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436

A gymnast falls off a balance beam. A football player gets knocked over by a lineman. A ballerina can’t complete a twirl. A painter falls off a ladder. Center of gravity can be more than just an abstract concept!


  • Center of Gravity
  • Balance
  • Newton's Laws of Gravitation