24.2 - Drag Force and Fuel Efficiency
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Practice Questions
Test your understanding with targeted questions
What is drag force?
💡 Hint: It relates to vehicles moving through air.
Explain the significance of the drag coefficient.
💡 Hint: Lower numbers represent better efficiency.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the drag coefficient of modern cars roughly approaching?
💡 Hint: Consider advancements in vehicle design.
True or False: Higher drag coefficients are better for fuel efficiency.
💡 Hint: Think about what drag means.
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Challenge Problems
Push your limits with advanced challenges
Calculate the drag force for a vehicle with a drag coefficient of 0.15, exposed to air density of 1.2 kg/m³, traveling at 100 km/h with a frontal area of 2 m².
💡 Hint: Don't forget to convert units.
If a modern vehicle consumes 1 liter of fuel over 100 km and previously consumed 6 liters for the same distance, what would be the percentage reduction in fuel consumption due to reduced drag?
💡 Hint: Focus on the differences in consumption and calculate ratios.
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