Speed-Time Graphs 1
Physics: Edexcel IGCSE, topic 1.1.7
Velocity-Time Graphs
The gradient of a velocity-time graph shows an object’s acceleration.
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Straight lines
- A straight line on a velocity-time graph shows that an object’s acceleration is constant.
- A horizontal line shows that an object is not accelerating.
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Curved lines
- A curved line shows that an object is accelerating or decelerating at a rate that is not constant.
Test yourself on Speed-Time Graphs 1
What is happening to the acceleration in the first section of the velocity-time graph?