Formulas & shortcuts
Driving licence, theory test1 formula20 shortcuts
Every formula in this course and the easiest ways to remember them, on one page.
The test, key terms and the driver’s duties
BeginnerThe theory test and the driving licence
Open lessonKey terms of road traffic
Open lessonThe driver’s duties and documents
Open lessonRoad signs
BeginnerWarning signs
Open lessonPriority signs
Open lessonProhibitory signs
Open lessonMandatory signs
Open lessonAdditional plates
Open lessonRoad markings, traffic lights and the controller
BeginnerTraffic lights
Open lessonThe traffic controller’s signals
Open lessonManoeuvres and junctions
IntermediateJunctions without traffic lights
Open lessonSpeed, overtaking, stopping and parking
IntermediateSpeed and following distance
Open lessons = v · tᵣ + v² / (2a)s = v · tᵣ + v² / (2a)
Where
- s
- stopping distance, m
- v
- speed, m/s (km/h ÷ 3.6)
- tᵣ
- reaction time, s (about 1 s)
- a
- braking deceleration, m/s²
Double the speed and the braking distance becomes four times longer.