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Answer:
No worries, I can help you with those paper airplane questions!
1. Thrust in a Paper Airplane:
- A paper airplane doesn't actually generate its own thrust. It relies on the push you give it when you throw it. The harder you throw, the more initial thrust it gets.
- You can't really put "too much thrust" in a paper airplane in the throwing sense. It's more about throwing it with the right amount of force and angle for good flight.
2. Why it Falls:
- Eventually, your plane falls because of gravity. Its **weight** pulls it down.
- While the throw gives it initial thrust forward, air resistance (drag) slows it down over time.
- As it slows, the upward force called lift created by the wings isn't strong enough to overcome gravity anymore, so it falls.
3. Drag and Paper Airplane Design:
- Yes, paper airplanes definitely experience drag. The air pushes back against the plane as it flies, slowing it down.
- To reduce drag, you can try:
- Making the plane more streamlined (smooth and narrow)
- Folding sharper wing edges for cleaner air flow
4. Animal Flight Forces:
- Animals that fly use their wings to create lift, thrust, and control drag.
- Birds flap their wings to push air down, generating lift and thrust
- They adjust their wing angles to control lift and drag for maneuvers like climbing, gliding, or turning.