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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is drag force?
💡 Hint: It relates to vehicles moving through air.
Question 2
Easy
Explain the significance of the drag coefficient.
💡 Hint: Lower numbers represent better efficiency.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the drag coefficient of modern cars roughly approaching?
- 0.80
- 0.50
- 0.15
💡 Hint: Consider advancements in vehicle design.
Question 2
True or False: Higher drag coefficients are better for fuel efficiency.
- True
- False
💡 Hint: Think about what drag means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation