Various pulleys with different degrees of mechanical advantage (1:1, 1:2, and 1:4) can be used with different masses and a newton scale to perform a quantitative demonstration. Mount the rod ...

Pulleys are found in lifts, cranes, car engines and garage doors. 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 ...

“Crossbow made with pulleys and power springs. The complex mechanism, which required advanced mathematical and mechanical understanding to craft, was likely made by a certain genius who learned ...

“Longbow which utilizes a series of pulleys and strings. The complex mechanism, which required advanced mathematical and mechanical understanding to craft, was likely made by a certain genius ...