Load - Object being moved by a lever
Class 1 Lever - A type of lever in which the fulcrum is located between the effort and the load
Load Arm - Part of a lever that moves the load
Effort Arm - Part of a lever to which the effort is applied
Effort - Force that is applied in order to displace an object
Class 3 Lever - A type of lever in which the effort is located between the load and the fulcrum
Class 2 Lever - A type of lever in which the load is located between the fulcrum and the effort
Fulcrum - Point at which a lever pivots