If a distance-time graph is a straight line with constant slope, what does this say about velocity?

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Prepare for the Year 10 Force and Motion Test. Utilize flashcards and multiple-choice questions with clear hints and explanations to ensure success. Equip yourself for excellence on your exam!

Multiple Choice

If a distance-time graph is a straight line with constant slope, what does this say about velocity?

Explanation:
In a distance-time graph, velocity equals the slope (how much distance changes per unit of time). If the line is straight and the slope stays the same everywhere, the rate of distance change doesn’t change. That means velocity is constant throughout the motion. Since velocity isn’t changing, acceleration is zero. A steeper slope means faster constant velocity; a horizontal line would mean zero velocity; a changing slope would indicate changing velocity. Here, the constant slope directly indicates constant velocity and zero acceleration.

In a distance-time graph, velocity equals the slope (how much distance changes per unit of time). If the line is straight and the slope stays the same everywhere, the rate of distance change doesn’t change. That means velocity is constant throughout the motion. Since velocity isn’t changing, acceleration is zero. A steeper slope means faster constant velocity; a horizontal line would mean zero velocity; a changing slope would indicate changing velocity. Here, the constant slope directly indicates constant velocity and zero acceleration.

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