A seesaw is an example of a first class lever First class levers (class 1) place the fulcrum between the effort and the load. An example would be a seesaw, which places the fulcrum in the centre ...

all of which follow the law of the lever. Class 1 is perhaps the most familiar. Examples of that are a seesaw, a crowbar as well as any time you’ve picked up a stick and placed it on a handy ...