When pigs fly! A fun lab on centripetal force. Have fun while reinforcing concepts of circular motion, including speed and centripetal acceleration, with this dynamic, self-propelled Flying Pig. The circular motion gives students a conical pendulum and a perfect opportunity for quantitative measurements of circular motion. Suspended from the ceiling, his wings flap and carry him in a regular circle. With the string, this motion gives students a conical pendulum and a perfect opportunity for quan