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Does the shape of a plane really influence its ability to fly?


Yes! The shape of a wing is critical to creating lift. Subsonic airplanes have wings that are curved on top and flat on bottom. This produces lift using Bernoulli's Principle. The shape of a plane will also affect drag, which can slow down an airplane. This is why airplanes are usually teardrop shaped, to help them slip through the air with the least resistance.