According to Bernoulli's Principle, what happens to air pressure on top of an airplane wing?

Prepare for the OAR Mechanical Comprehension Test with comprehensive study materials. Use flashcards and multiple-choice questions, each offering hints and explanations. Get ready to excel in your exam!

According to Bernoulli's Principle, air pressure decreases as the speed of the airflow increases. When applied to an airplane wing, the shape is designed so that air moves faster over the top of the wing compared to the underside. As the air travels over the curved top of the wing, it accelerates, which, according to Bernoulli's Principle, results in a reduction in air pressure on the upper surface of the wing. This difference in pressure creates lift, allowing the airplane to rise into the air. Thus, it is accurate to conclude that the air pressure on top of an airplane wing decreases.

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