17.1.1 - Drag and Lift
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Practice Questions
Test your understanding with targeted questions
Define drag in your own words.
💡 Hint: Think of it as a resistance to movement.
What is lift?
💡 Hint: Recall how airplanes achieve flight.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does drag oppose?
💡 Hint: Remember that drag creates resistance.
True or False: Lift acts parallel to the direction of flow.
💡 Hint: Think about how wings generate lift.
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Challenge Problems
Push your limits with advanced challenges
Design a streamlined model for a new bicycle that minimizes drag. Describe the shape, angles, and materials you would use, ensuring you consider wind tunnel testing.
💡 Hint: Think about designs that minimize the surface area exposed to airflow.
Calculate the lift force of a wing with a lift coefficient of 1.2, frontal area of 20 m², moving at a speed of 30 m/s in air (density = 1.225 kg/m³).
💡 Hint: Substitute values carefully. Check each component of the lift equation.
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