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lever click to hear : lever

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 image
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See lever in : french | spanish
bar load effort pivot fulcrum

bar click to hear : bar

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

load click to hear : load

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

effort click to hear : effort

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

pivot click to hear : pivot

Part providing an efficient fulcrum for the lever.

fulcrum click to hear : fulcrum

Point around which the lever pivots.