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
> With no wind, no waves, perfect conditions, could he move the ship at all?
Assuming a spherical ship and no friction…
Okay, so in reality, with no waves/wind/other external force, than an average person pushing is now the *only* force on the ship. The acceleration will be minute, but extant. Think moving it a couple centimeters after an hour of pushing minute, or even less.
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