A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot. The opposite end is also rotated about the pivot in the same direction.

Simple linkages can be used to change the ... you can use the lever to help with the hard work. Some examples of everyday levers are scissors, bottle openers and cooking tongs.

Beginning with a cartoon of Archimedes demonstrating the power of levers, the film transitions to real-world examples such as can openers, seesaws, and industrial tools. A hands-on demonstration ...