Drag and Lift
Storyboard Text
- Hi, Ana...How's the academic break?
- Weight
- Hello Kate..umm... so for it was great because I enjoyed the holiday season.
- Thrust
- Woaah! It was a big big plane.. I was wondering how can airplane fly?
- 0ooh! Look up in the sky Kate there was an airplane!
- A plane's engines aredesigned to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. ... The wings force the air downward and that pushes the plane upward.
- Wooah.. pretty amazing, now I know why airplane can fly at the sky.
- Drag
- Airplane wings areshaped to make air move faster over the top of the wing. When air moves faster, the pressure of the air decreases. So the pressure on the top of the wing is less than the pressure on the bottom of the wing. The difference in pressure creates a force on the wing that lifts the wing up into the air.
- Lift
- Thank you so much for your knowledge and explanation Ana. I learned a lot of things about how airplane can fly at the sky?
- No worries Kate. It's my pleasure to share my knowledge to you.
- Bye Ana.. ummm...should I ask you again if I have any unluck thoughts in my mind?
- Yes sure.. Byeee Kate
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