17 - Fluid Mechanics
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Practice Questions
Test your understanding with targeted questions
What is drag?
💡 Hint: Think about what happens when you try to move through water.
Define lift.
💡 Hint: What helps airplanes rise into the air?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary force opposing motion in fluid mechanics?
💡 Hint: It's the opposite of thrust.
True or False: Lift acts parallel to the direction of motion.
💡 Hint: Think about how wings work.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A rectangular box with a width of 1 m, length of 0.5 m, and height of 0.8 m is moving through air at 10 m/s. Calculate the drag force if the drag coefficient is 2. Airstream density is 1.225 kg/m³.
💡 Hint: Remember to calculate the area correctly based on the dimensions given.
Discuss how altering the angle of attack of an airplane wing can affect lift and drag during flight.
💡 Hint: Think of how the airflow changes around the wing.
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