Class 1
Load fulcrum effort
Advantage: power
Disadvantage: speed and distance
See-saw, scissors, pliers and nail clipper
Class
Fulcrum load effort
Advantage: power
Disadvantage: speed and distance
Wheel barrow and wine opener
Class 3
Fulcrum effort load
Advantage: speed and distance
Disadvantage: power
Hammer hitting a nail, stapler and fishing rod