What are the requirements for building the catapult?
CATAPULTS OBJECTIVE: CREATE AND UTILIZE A CATAPULT TO ANALYZE PROJECTILE MOTION. INSTRUCTIONS: EACH STUDENT WILL BUILD AND USE A CATAPULT TO PROPEL A LARGE EGG OVER A ONE-METER-TALL WALL. THE CATAPULT MAY BE NO CLOSER THAN ONE AND A HALF METERS FROM THE WALL. SPECIFICATIONS: EACH CATAPULT MAY HAVE A MASS NO GREATER THAN ONE KILOGRAM AND A HEIGHT NO MORE THAN ONE-HALF METER. CATAPULTS ARE RESTRICTED TO THE USE OF A LEVER-ARM DESIGN ACCELERATED FORWARD BY A RESTORING FORCE. RANKING: TO RANK STUDENTS MUST PROPEL THE EGG OVER THE WALL SAFELY. CATAPULTS WILL BE RANKED USING A RATIO OF DISTANCE IN METERS TO WEIGHT OF DEVICE IN KILOGRAMS.
