levers use mechanical advantage to make lifting or applying pressure easier the three main parts of a lever are the effort (input force), fulcrum (pivot point), and load (output force) there are three ...

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 students ...

When we think of machines, the likes of robots, appliances and manufacturing equipment come to mind, but scientists also classify such common objects as the screw, the lever, the wedge and the wheel ...