A friend and I have been having an ongoing debate for years. We were at a pub on a wharf, watching shipping container ships and cruise ships come into dock, and he posed the question. With no wind, no waves, perfect conditions, could he move the ship at all?
In: Planetary Science
[If a donkey can do it for 10 miles, you can do it for 10 inches.](https://i.imgur.com/G3cZHWB.jpg)
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