Class 3 Lever

Class 3 levers are unique in the fact that they reverse the mechanical advantage to sacrifice a reduction in force for an increase in speed. In class 3 levers, the force or effort is applied between the fulcrum and the load.

Class 3 lever illustraion
Class 3 levers position the effort between the fulcrum and the load. This increases the speed but sacrifices the mechanical advantage.

Examples of class 3 levers include:

  • Tongs