If an AT-AT walker (or something even larger) wanted to walk across a frozen lake, how thick would the ice have to be?
Share to linkedinfreeze if the temperatures are consistently cold enough. The amount of mass an ice sheet is capable of withstanding is entirely dependent on the thickness of the ice itself.Each winter, one of the most spectacular phenomena that appears over Earth's continents is when natural freshwater — including lakes, rivers, and even waterfalls — freezes over.
If you form a sheet of thin ice, there's only a certain amount of weight it can hold in any one particular location before the object in question puts too much strain on the ice for it to hold together. Exerting too much force on any material will break it, and the same is true for ice. What surprises people the most, however, is that increasing the thickness of your ice by only a small amount can greatly increase the weight that your ice is capable of bearing....
Whereas ice that's only half an inch thick can only withstand approximately 12 pounds of force, enough to questionably support a lightweight cat, by the time your ice reaches 2" in thickness, a typical full-grown human being could gingerly stand on it, so long as their total weight remained under approximately 200 pounds .... [+]
at the premiere of Disney Pictures and Lucasfilm's"Star Wars: The Last Jedi" at The Shrine Auditorium on December 9, 2017 in Los Angeles, California. AT-AT Walkers are the largest land-based vehicles in the Star Wars universe, and do not fall through the ice, even when they are felled, on Hoth.
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