One of them can be constructed with a sheave and a rope, and several utilize the ability to (*) convert torque into a linear force.
While Archimedes only identified three of them, Heron of Alexandria, as well as many of the scientists of the Renaissance, listed their number as five. In his work On Mechanics, Galileo became the first to realize that they do not actually create energy, they can only transform it. One of them can be constructed with a sheave and a rope, and several utilize the ability to (*) convert torque into a linear force. Screws, wedges, wheel and axles, pulleys, levers, and inclined planes are all examples of, for 10 points, which non-complex devices that provide a mechanical advantage?
While Archimedes only identified three of them, Heron of Alexandria, as well as many of the scientists of the Renaissance, listed their number as five.
{simple machines}