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 ...

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) ...

One of the most tactile parts of your bike are its control levers, for the front brake and clutch. But it’s also true that they’re one of the most vulnerable motorcycle accessories ...