Saturday, August 3, 2013

Atwood machine -- plane vs blue whale cable strength

This is a cool problem to consider:
If you wanted to anchor an airplane into the ground so it wouldn't be able to take off, what would the rope have to be made out of?

Here is an answer for you. what-if.xkcd.com/56/

What's interesting is that they did not talk about how they came up with the blue whale weight. That would be a pretty easy force diagram to draw. Wanna try it?

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