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2 cards from this section. Quick, good the night before a test.
What is drag force?
It relates to vehicles moving through air.
Explain the significance of the drag coefficient.
Lower numbers represent better efficiency.
What is the drag coefficient of modern cars roughly approaching?
Consider advancements in vehicle design.
True or False: Higher drag coefficients are better for fuel efficiency.
Think about what drag means.
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.
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?
Focus on the differences in consumption and calculate ratios.
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