Theory test
You increase your speed from 30 km/h to 90 km/h. How is the breaking distance affected?
First calculate how many times higher the speed is:
90 / 30 = 3 times the speed
“The braking distance [...] increases quadratically with increasing speed.” (Driving Licence Book, 19th Edition, page 120)
- 32 = 3*3 = 9
Useful links:
- Stopping distance, reaction distance and breaking distance (Körkortonline.se)
This is an example of one of the driving theory questions at Körtkortonline.se. There are three languages: English (free driving licence test), Swedish (free driving licence test) and Arabic (free driving licence test)
More examples of theory questions:
- The car that is transporting a bike is going to turn right. Was it appropriate of the driver to drive out onto the hard shoulder before turning?
- When is the clear height considered sufficient so that this type of prohibitory sign is not erected?
- Who is obliged to give way if another car comes from the road on the right?
- At what point is it safe for a child to sit like an adult in a seat with an airbag?
- When testing the car’s brakes while standing still, how hard should you push the brake pedal down?
- Which statement is true regarding brake fluid?
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