BC Air Brake Practice · Question
What would be the effect on stopping distance if an empty commercial vehicle with air brakes is driven at the same speed as a fully loaded one?
An empty vehicle has less momentum than a loaded one, requiring less braking force and thus a shorter distance to stop when travelling at the same speed.
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Question: What would be the effect on stopping distance if an empty commercial vehicle with air brakes is driven at the same speed as a fully loaded one?
Answer options: ✅ The empty vehicle will have a shorter stopping distance.
- The empty vehicle will have a longer stopping distance.
- The stopping distance will be the same for both.
- The empty vehicle's stopping distance will depend on tire pressure.
Correct answer: The empty vehicle will have a shorter stopping distance.
Explanation: An empty vehicle has less momentum than a loaded one, requiring less braking force and thus a shorter distance to stop when travelling at the same speed.
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