Question detail
What does a horizontal line on a distance-time graph indicate?
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. The object is moving at constant speed
- B. The object is stationary
- C. The object is accelerating
- D. The object is decelerating
Answer
The object is stationary
Explanation
A horizontal line on a distance-time graph shows that there is no change in distance over time, indicating that the object is not moving.
Common mistake
Misunderstanding Gradient Interpretation
Students often confuse the gradient of a distance-time graph with the total distance travelled instead of understanding it represents speed.
Emphasize that the gradient indicates how fast an object is moving, and practice calculating speed from the gradient using the formula: speed = distance/time.
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