17.4 - Applications of Drag and Lift
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Practice Questions
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What is drag?
💡 Hint: Think about what slows something down in the air.
Define lift.
💡 Hint: Consider forces acting on an airplane.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does drag do?
💡 Hint: Think about what slows objects down.
The drag coefficient is a measure of:
💡 Hint: Remember what C_d represents in formulas.
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Challenge Problems
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A helicopter rotor blade needs to sustain lift to maintain altitude against gravity. If the weight of the helicopter is 5000 N and the lift force is 5500 N, what will happen?
💡 Hint: Compare lift and weight to determine motion.
Describe how altering the shape of a car can influence its drag coefficient and overall fuel efficiency on the highway.
💡 Hint: Think about how shapes affect airflow.
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