| Summary |
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| • | The
wind is influenced by four forces: |
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| 1. | Pressure
gradient force |
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| 2. | Coriolis
force |
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| 3. | Centripetal
force |
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| 4. | Friction. |
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| • | From
these forces we are able to understand the |
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| speed
and direction of the wind both near the |
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| ground
and further aloft. |
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