With a Class 2 lever, the fulcrum is moved to one end of the lever, with the load in the middle and the force at the other end. Every time you pick up a wheelbarrow you use a class 2 lever ...
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 ...
A fulcrum, according to Merriam-Webster, is "the support about which a lever turns." A pivot. "Fulcrum" aptly described the MiG-29, as it flew circles around NATO fighters during the '80s ...
But something remarkable happens the moment you vent the can: The tab becomes a first-class lever, in which the force you apply changes direction around the fulcrum, like a seesaw. "Part of the ...