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 ...

Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...

The shift lever – a device familiar to generations of car buyers – is undergoing a rapid evolution of the sort rare in nature, but increasingly common in the automotive world. Joe White reports. Photo ...

Shimano has already redesigned its cyclocross-oriented R785 hydraulic disc brake, and launched a mechanical shift-compatible hydraulic brake lever for those who do not want (or can’t afford) ...

Simons, R. Levers of Control: How Managers Use Innovative Control Systems to Drive Strategic Renewal. Boston: Harvard Business School Press, 1995.