Wood
fairies
the fulcrum's in the middle and yes a lever is a seesaw...
The Romans
A seesaw stunt is something performed commonly at a circus. It is when one person stands on a seesaw and another person jumps on the other end causing the first person to flip off the seesaw.
Seesaw
The origins of the seesaw are unclear, but it is believed to have been used in ancient Greece. The modern seesaw design with a central pivot point was popularized in the 17th century in Europe.
True.
first class levers have fulcrum at center and load and effort at extremes, examples are seesaw and scissor.
A seesaw is a first-class lever because the fulcrum (pivot point) is positioned between the effort (force applied) and the load (object being moved).
1456 by Germans, Heinz Seech and Adolf Sawsenberg.
A seesaw is a class one lever.
well actually yes,,,, this is college physics.