Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 6 - No. 18)
Which of the following is true about the motion of an object represented by a horizontal line segment on a distance-time graph?
The object is at rest.
The object is moving at a constant speed.
The object is accelerating.
The object is decelerating.
Giải thích
A horizontal line on a distance-time graph indicates that the object is not moving, hence is at rest.