The gears can be utilized to increase or decrease the applied effort depending on the type of task that needs to be done.
It include Work input and output.
Class 1 lever has a fulcrum between effort and load.
In Lever class 2, the load is in-between the effort and the fulcrum.
Level I lever has a fulcrum between effort and load.
The fulcrum is at one end, the force is applied in the middle and the weight is on the other end.
Mechanical advantage is directly proportional to the ratio of effort arm length to load arm length.
Type of lever which has the fulcrum in between the weight and the force applied.
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