Labels:text | cartoon | screenshot OCR: PRINCIPLES OF SCIENCE LEVERS LEVER IS A MACHINE consisting of a bar that tilts on a fixed point called a fulcrum. Most levers are used to magnify force, or effort, letting you move a heavy load easily. Levers can also be used to amplify movement, such as in a fishing rod where you move the handle a little and the end of the rod moves through a wide arc. LEVER $ FULCRUM EFFORT. Classes of Lever Special Levers LOAD Related Machines