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Levers in mechanical designs
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Overview
A rigid bar that pivots on a fulcrum to move a load with applied effort.
First class
Pivot point is placed squarely in the center of the load and resistance on the lever.
Second class
Load is placed in the center and the fulcrum is at either edge of the lever.
Third class
Effort is located between the fulcrum and load
What are some examples of first class levers?

What are some examples of second class levers?

What are some examples of third class levers
