DVD_RollercoasterPhysics[DVD: Discovery Channel School – 2004 – 26 mins]. Roller coasters are so much fun thanks to friction, potential energy, gravity, and acceleration – you can take some terrifying amusement-park turns. Take a thrilling look at the applied physics of roller coasters, as well as the g-forces experienced by an aerobatics pilot. Learn about the wonderful world of applied physics in this purely educational programme. ANDY SHINE SAYS: One for young teens, if you’re looking to acquire a basic understanding of how coasters are designed, you’ve come to the right place. ANDY SHINE’S RATING: Good.