Class 1 Catapult
A class 1 lever puts effort on one end, the work on the other, and the fulcrum somewhere in between.
This project illustrates this fundamental tool while also delivering some high-flying projectiles!
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Tips and Troubleshooting
If the hinge is breaking or falling out of the cubes, then...
Make sure to press firmly and quickly onto the catapult arm; don't strike it with your fist
Make the dowel slightly longer so it can't fall out from between the cubes with holes