Physics in Rope Rescue? Absolutely!

When it comes to rigging, the laws of physics reign supreme. Small systems (e.g., a single knot) and large systems (e.g., a back-tied, elevated anchor supporting a horizontal line across a ravine) will only function effectively if they reflect an understanding of basic principles. Which physical principles are we talking about? Static and dynamic friction, mechanical advantage, vectors, fall forces, static loads, and many others determine … [Read more...]

Pat Rhodes April 12, 2017
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