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leverclick to hear

System consisting of a bar pivoting on a fulcrum to lift a load. The amount of effort required is related to the position of the pivot and the length of the bar.
lever bar load effort pivot fulcrum

bar click to hear

Rigid moving bar around the fulcrum on which an effort is exerted to lift the load.

load click to hear

Weight whose inertia exerts a force opposite to the effort exerted on the bar.

effort click to hear

Force exerted on the lever bar in order to shift the load.

pivot click to hear

Part providing an efficient fulcrum for the lever.

fulcrum click to hear

Point around which the lever pivots.