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Do wind turbines slow down the rotation of the earth?

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No. Also, no. But I suspect the person asking the question knows that based on their question history. It's like asking if mountains act as sails for the wind increasing the speed of rotation. read more

No, but if there are a lot of them, they can actually slow down the wind itself. The yabsorb kinetic energy from the wind, so they can change wind patterns in certain regions. To get back to your original question, the rotation of the Earth has nothing to do with wind. read more

Winds do not get their energy from the earth's rotation. The energy is from pressure and temperature differences causing the air to move. Tidal power does get its energy from the earths rotation. But it is a very small percentage of the energy in the earth's rotational inertia. read more

Of course wind farms slow the rotation of the earth, but not because of drag. It is a well doccumented and known phenomenon. The relocation of the mass of all of those wind generators farther from the earth's center of gravity slows the rotation of the earth just like a spinning ice skater slows when they extend their arms. read more

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