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Salstein, Variations in atmospheric angular momentum on global and regional scales, and the length of day, J. Rosen, D. Salstein, T. Eubanks, J. Friction makes molecules that are in contact with the ground to move. The friction between the air molecules air viscosity causes the upper molecules to move. Note: that's why, as we move to the north, the air angular velocity becomes smaller because the Earth angular velocity is smaller. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Why does the atmosphere rotate along with the earth?
Ask Question. Asked 10 years, 11 months ago. Active 8 years, 2 months ago. Viewed k times. Improve this question. Abhimanyu Pallavi Sudhir 5, 4 4 gold badges 32 32 silver badges 49 49 bronze badges.
Put a ball on top of the head of a tennis racket Or use a ball and a board for the experiment. It is an helicopter. Add a comment. Active Oldest Votes. Improve this answer. Mark Eichenlaub Mark Eichenlaub If it's moving against the wind and the earth moves underneath it should be noticeable like going against a whirlpool in a swimming pool, you would probably notice the force differential -- yet that effect seems to be missing.
The liquid and gas is also part of Earth's mass and has momentum. It is part of the spinning mass and does not need to be pulled up to speed by the solid. Swirling primordial matter forms into a planet long after that matter got its initial momentum, which it retains to this day.
Show 4 more comments. Upper layers are carried along by underlying layers. So when viewed from the earth surface, the cloud will fly away to the west. So every layer of athmosphere have a same linear velocity, unleash some external force given from space. Show 2 more comments. But just like we can't feel the constant movement of a plane, the spin of our gigantic space ride is normally imperceptible, too. So why does Earth spin so constantly? Because there's nothing stopping it.
When our Solar System formed out of a collapsing dust cloud and spun out into a flattened accretion disk with a bulge in the middle, all the planets inherited that rotation.
The Sun, all our neighbouring planets, their moons, and everything else scattered in our system is still spinning after billions of years because of inertia. To interfere with that, an external unbalanced force would have to be applied - in simple terms, the whole shindig would have to collide with some other object, and throw the rotation into disarray.
Now, as I mentioned earlier, the spin of our planet is happening at an almost constant rate.
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