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.

For this group, there is a kind of virtuous circle of policy levers (for example, fiscal, exchange rate, and trade policies, as well as policies relating to education and the costs of doing business) ...

Mechanical control levers use a mechanical lever and mechanical cables as control devices. Uses might include throttle, shift , brake and others. These are devices that allow an operator to move the ...