Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 3 - No. 44)
If an object is accelerating, what will the line on a speed-time graph look like?
A horizontal line
A straight line with a non-zero slope
A vertical line
A curved line
Forklaring
Acceleration is represented by a line with a slope (straight or curved), while the object is changing its speed over time.