What is the Weight Reduction with Each Added Pulley in a Pulley System?

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The discussion focuses on understanding the weight reduction achieved with each added pulley in a pulley system. The user is designing a complex pulley setup to lift approximately 200 lbs and seeks information on the equations related to mechanical advantage. Participants suggest consulting resources like Wikipedia for foundational knowledge on mechanical advantage. The conversation emphasizes the importance of understanding how pulleys can reduce the effort needed to lift heavy weights. Overall, the thread aims to clarify the mechanics behind pulley systems for effective weight lifting.
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I am working on making a system of pulleys and a lever. I am planning on using a complex pulley with a few blocks. I wanted to know what how much weight is taken off with the addition of each pulley. If anyone knows some of the equations involved it would be much appreciated. I was planning on lifting about 200 lbs.
 
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For simple comparison, I think the same thought process can be followed as a block slides down a hill, - for block down hill, simple starting PE of mgh to final max KE 0.5mv^2 - comparing PE1 to max KE2 would result in finding the work friction did through the process. efficiency is just 100*KE2/PE1. If a mousetrap car travels along a flat surface, a starting PE of 0.5 k th^2 can be measured and maximum velocity of the car can also be measured. If energy efficiency is defined by...
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