The non-obvious lever in my ornithopter turned out to be a combination of two different classes of levers, a class 2 and 3 lever, both of which exist in each wing. Class 2 Lever ...

The Lever Loads Activity has students follow directions to devise a lever and then think about some of the aspects related to levers. This adaptation adds a level of complexity by having the ...

Second class levers (Class 2) place the fulcrum at one end of the lever and the effort at the other end, with the load in the centre. The closer together the fulcrum and load are, the easier it is ...