As far as I understand, turbines that are powered by ocean tides don’t take energy out of the ocean. Since the tides carry on endlessly regardless of if there is a turbine, how is hydroelectric power not an infinite energy source?
In: Physics
The tides are caused by the gravity of the moon. As it orbits us, the tides are pulled around.
The energy of the tides is put in by the rotation of the Earth relative to the motion of the moon, and while this is technically a limited resource it will last for the foreseeable future.
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