AG Mechanics CDE Practice Exam

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Prepare effectively for the AG Mechanics CDE exam with our engaging quiz. Featuring multiple-choice questions and detailed explanations, you can increase your knowledge of agricultural mechanics and develop the skills necessary for success in the competition.

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According to Bernoulli's scientific principle, as air speed increases, its pressure __________.

  1. Decreases

  2. Fluctuates

  3. Increases

  4. Remains unchanged

The correct answer is: Decreases

According to Bernoulli's scientific principle, as air speed increases, its pressure decreases. This is because when the air speed increases, the kinetic energy of the air particles also increases. As a result, the pressure of the air decreases due to the conservation of energy principle, which states that the total energy in a system remains constant. This decrease in pressure as air speed increases is a fundamental concept in fluid dynamics and helps explain phenomena such as lift in aerodynamics. The incorrect options can be disregarded because they do not align with Bernoulli's principle and the relationship between air speed and pressure as dictated by this principle.

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