Air drag gets bigger as you go faster, just like when you stick your hand out of a moving car window.
Imagine you're riding in a car with your friend. When the car is going slow, it's easy to wave your hand around, not much pushes back. But when the car speeds up, suddenly your hand feels like it’s fighting against something strong, like wind that wants to push it backward. That’s air drag working harder.
Why does air drag get stronger?
Think of air as a crowd of tiny people pushing you. When you're moving slowly, there aren’t many people in front of you, just a few bumps here and there. But when you speed up, more people get in your way all at once. It’s like running through a crowd: the faster you go, the harder it is to push through.
Also, when you’re going fast, those tiny air people not only hit you, they also push against you longer before they pass by. So the drag doesn’t just grow a little, it grows a lot more, making your journey feel like it’s fighting back with all its might!
Examples
- A car needs more power to go from 20 mph to 60 mph.
- Flying a plane at low altitude requires more energy than flying high.
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See also
- How fast is it?
- What is quickly?
- How do airplanes manage to fly despite their weight?
- How Do Auroras Actually Form in the Sky?
- Can I compute the mass of a coin based on the sound of its fall?