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Re: Coriolis Effect--Science or Superstition?
If the Earth were stationary, the pendulum wouldn't change direction at all.
What actually happens in the coriolis effect is that the Earth rotates out from under the pendulum. Since there isn't any force to move the pendulum, its orientation stays the same, while the Earth moves around it. However, because we move with the Earth, to us it looks like the pendulum moves.
This is why the strength of the coriolis effect depends on latitude. The experiment works best at the poles, not at all at the equator.
-Will
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