Mon Prof Augmenté
Wings Push Air
A bird flaps its wings downward, and the wing feathers press against the air. That push helps the bird lift off and move forward.
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In the picture
- Primary wing feathers pressing down on the air
- Air flowing backward behind the wing
- Thick chest muscles pulling the wing down
- Forward motion of the bird
Examples
- A swimmer pushes water backward with a hand to move forward.
- A fan pushes air backward, and you feel the air flow in front.
Key takeaways
- During a downstroke, wing feathers press on the air.
- The air pushes back, helping the bird rise and move forward.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
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