UK Driving Theory Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the UK Driving Theory Test with an engaging quiz that includes multiple-choice questions, detailed explanations, and interactive study tools. Get the knowledge you need to pass your exam with confidence!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the stopping distance formula often based on?

Reaction time and braking distance
Speed and weight of the vehicle
Road condition and tire quality
Driving experience and vehicle type

The correct answer is: Reaction time and braking distance

The stopping distance formula is predominantly based on the reaction time and the braking distance of the vehicle. When a driver perceives a need to stop, there is a measurable delay before they can physically react; this is accounted for as the reaction time. Following this, once the brakes are applied, the distance required to come to a complete stop, known as the braking distance, also plays a critical role. The total stopping distance is the sum of the distance traveled during the reaction time and the distance it takes to stop the vehicle after braking has commenced. This formula is essential for safe driving practices, allowing drivers to gauge how far their vehicle will travel before coming to a halt. Other factors such as the speed and weight of the vehicle, road conditions, tire quality, driving experience, and type of vehicle can influence the stopping distance, but the primary components of the formula itself focus on reaction time and braking distance.