Question detail
A driver brakes harder on the same car. What usually happens to braking distance?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and motion
Question
- A. Braking distance decreases if the larger braking force stops the car over a shorter distance.
- B. Braking distance increases whenever braking force increases.
- C. Thinking distance decreases because the brakes are stronger.
- D. Stopping distance is unaffected by braking force.
Answer
The correct answer is: Braking distance decreases if the larger braking force stops the car over a shorter distance.
Explanation
The correct option is Braking distance decreases if the larger braking force stops the car over a shorter distance.. This fits Acceleration in Forces and motion because it uses the named force or motion relationship in the situation, gives the correct unit or graph meaning where needed, and avoids the specific misconception in the distractors.
Common mistake
Misunderstanding Deceleration
Students often confuse negative acceleration with a decrease in speed only, without considering the direction of motion.
Emphasize that negative acceleration (deceleration) indicates a decrease in velocity in the chosen direction, and clarify that it can occur even if the object is moving forward.
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