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Mechanical Advantage Definitions

cale@treestuff.com BigCommerce Jun 12th 2023

Learning complex mechanical advantage systems starts with learning simple systems, and learning simple MA systems starts with learning a couple definitions. In this video, DMM Guru Taylor Hamel goes over the must-know terms involved in talking about mechanical advantage systems.


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Video Caption File/Transcript by Arborist Industry Expert Taylor Hamel.

Hey everyone, it's Taylor Hamel from DMM here on the TreeStuff channel. Here's the basic definition of a simple mechanical advantage system: We have the load, which is being lifted or moved, and that is our moving block. We have the anchor point, which is not moving, so there's one stationary block and one moving block in a simple mechanical advantage.

We also have various forces here. We've got an input force, which is the force or the tension that I'm placing into the system. We have an output force, which is at the load or the moving block, and we have a reaction force, which is at the anchor point. The ratio between input and output—that is our ideal mechanical advantage. In this case, a two to one.