Exam-style question
Try this first
In a displacement-time graph, what does a horizontal line indicate?.
- A.Constant speed
- B.Acceleration
- C.Stationary object
- D.Increasing displacement
Model answer
What a good answer should say
- Stationary object
Explanation
Why this works
A horizontal line on a displacement-time graph indicates that the displacement does not change over time. This evidence shows that the object is not moving, implying that it is stationary.
Thus, the conclusion is that a horizontal line represents a stationary object.
Common mistake
No common mistake is linked to this question yet.