Class-2 Lever: Bottle Opener
Class-2 levers always have the load between the fulcrum and the effort. Sometimes the challenge is to identify the load and effort, and to determine the direction they are acting. In this picture the effort is the hand pulling up, the fulcrum is the tip of the opener where it makes contact with the top of the cap, and the load (pulling down) is the resistance of the cap holding onto the top of the bottle.
credit: Larry Malone and Sue Jagoda