Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...
In the world of rope rescue, we use mechanical advantage systems really for two reasons. The first being a force increasing tool and the second, a means of reducing the weight of a load during a ...
We still remember the old days when finding a pulley system for your Chevy involved digging around in scrapyards for just the right combination. We would then clean up the scavenged parts and more ...
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Simplest self-braking pulley
This experiment shows how a basic pulley system can be designed to brake itself, demonstrating clever mechanics with minimal components. U.S President responds when asked if he would back Poland Why ...
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