If a > b then the load will move more slowly than the point where the effort is applied ... With a Class 2 lever, the fulcrum is moved to one end of the lever, with the load in the middle ...

A lever is a simple mechanism that uses a bar to pivot around a fixed point called a fulcrum. Levers can be joined together to form linkages. Simple linkages can be used to change the direction of ...

You have a lever, a movable fulcrum, weights, and supporting stones at your disposal. Your goal is to lift the obelisk using as few of the weights and support stones as possible.