An example would be a seesaw ... is moved nearer the load it takes less effort to move it. Second class levers (Class 2) place the fulcrum at one end of the lever and the effort at the other ...

divided by the input (effort): A person using 100 N to lift a load of 200 N with a first class lever Therefore, the mechanical advantage = 200 ÷ 100 = 2.This can also be written as 2:1.

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