Car Aerodynamics and Airflow Visualization Quiz

What simple materials are suggested for visualizing airflow over a car?

• Paper and scissors

• Paint and brushes

• Stickers and glue

• Yarn and tape

What does it indicate when yarn streamers point straight along the car's body?

• Decreased fuel economy

• Separated flow

• Increased drag

• Attached flow

Which experiment involves using removable exterior accessories?

• Mounting a hood ornament

• Adding vortex generators

• Using a roof extension

• Driving with windows down

What is a safety tip mentioned for testing modifications near other cars?

• Use painters tape for all modifications

• Avoid testing during the day

• Test only on busy roads

• Use duct tape to secure modifications

What is recommended for filming the experiments safely?

• Use a drone for aerial shots

• Film only at night

• Film while driving alone

• Use a magnetic exterior GoPro mount