Fran: Ah! Well a seesaw is a lever mechanism and here's how it works. Fran: The force of my hand pushing down on the lever makes it move. This is called the effort. The fulcrum is the point at ...

If we put the load we want to lift at one end of the lever and we push down on the other end, we can lift it. The force we are applying is called the effort. As you can see, as we push down ...