Graphs 3
1 mark · EasyOn a distance–time graph, what does a horizontal line represent about the motion of an object?
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The object is not moving (it is stationary).
Also accept: Object is stationary.; No movement.; The distance from the start does not change.
Common mistakes: Saying the object is moving at constant speed (this requires a sloped line).
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Marking points
B1 · 1 mark · States clearly that the object is not moving or stationary.
Worked solution
A horizontal line on a distance–time graph means the distance from the starting point does not change, so the object is not moving.