For example, a kite. I just don’t understand how the higher pressure at the top pushes the plane forward and how it stays in the air and stuff. If anyone could explain this to me would be great!
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One of the top hits for “how lift works” on YouTube: https://youtu.be/E3i_XHlVCeU
Great route to get questions answered, after Google search. Or if you prefer to read: https://www1.grc.nasa.gov/beginners-guide-to-aeronautics/what-is-lift/
Your question kind of bounces around so I don’t know if you really care about the kite. Wings generate lift by traveling through the air and causing the flow to turn downward. In order to turn that air downward it generates a force in the opposite direction. Part of it is a lower pressure on the top and higher pressure on the bottom, but these two don’t explain all of the observed lift.
Edit: “these two…” I think was supposed to refer to the Bernoulli’s principle and Newton’s law’s explanations. I thought it was in the NASA site linked above, but clearly have misremembered.
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