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
It is the initial movement that presents the biggest challenge. That is a lot of inertia to overcome. Once the vessel is moving then the fluid dynamics matter but not before.
Here is someone pulling 70 small boats at age 70 by swimming.
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