Exam-style question
Try this first
A displacement-time graph shows a straight line with a positive slope. What does this indicate about the object's motion?.
Model answer
What a good answer should say
- The straight line with a positive slope indicates that the object is moving away from the starting point at a constant speed.
Explanation
Why this works
The evidence of a straight line on a displacement-time graph shows that the displacement is increasing uniformly over time. This indicates constant speed, as the slope represents speed.
The implication is that the object is not accelerating or decelerating, leading to the conclusion that it is moving at a steady pace.
Common mistake
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