Pulleys and Mechanical Advantage Systems
2017-8-30u2002·u2002Simple Pulley Systems. Simple M/A systems can be defined as systems with all the moving pulleys moving at the same speed as the load. A few simple pulley systems are most frequently used. The most common is a 3:1 mechanical advantage, sometimes called a 'Z' rig because when rigged, the rope looks like a 'Z'.
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