Lever Links
Balance Lever Gizmo Try this out! Can you balance this "see-saw" lever using different weights. Change the size of the weights, how far they are from the fulcrum, or how many weights there are. Once you release the lever, will it balance?
Classes of Levers
Weights and Levers
Lever an Obelisk

Trebuchet Simulator
Catapult Simulator

Building A Trebuchet
Torque and Levers