First, start with the pulleys. Remember anchored pulleys provide no mechanical advantage, while traveling pulleys do. Let's look at Figure 1, it depicts a 3:1 MAS.

Figure 1. This running, or traveling, snatch block, which is attached directly to the load via a chain, is being used in a 2:1 mechanical advantage system. The pulling effort from the winch comes ...

Bryan Frayser, assistant chief of training, FRFD, taught the Soldiers the basics of 2:1 mechanical advantage and 3:1 mechanical advantage pulley systems.

Next it’s on to pulley systems, wheels and axles, inclined planes and wedges, screws, and gears. [Dustyn] rounds out the chapter by talking about how these concepts are combined into machines ...

A $12 million crane capable of lifting 78 tons is the machine we utilize in this engineering Teachable Moment, using pulleys and levers to explain Mechanical Advantage. A $12 million crane capable ...