UK Driving Theory Practice Exam

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Study for the UK Driving Theory Practice Exam. Prepare with detailed questions, hints, and explanations. Get ready for your exam!

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 for 20mph?

20 ft
30 ft
40 ft
50 ft

The correct answer is: 40 ft

The stopping distance for 20mph is actually closer to 40ft, making option C the correct answer. This may be counterintuitive, as many people may assume that the stopping distance is simply the same number as the speed in miles per hour. However, when driving at higher speeds, it takes longer to fully stop the vehicle due to the laws of physics and the momentum of the vehicle. Options A, B, and D are incorrect because they do not accurately represent the stopping distance for 20mph and may lead to unsafe driving decisions.