Class 9 Exam > Class 9 Videos > Graphical Representation of Motion - Distance time and Velocity time Graph
Graphical Representation of Motion - Distance time and Velocity time Graph Video Lecture - Class 9
FAQs on Graphical Representation of Motion - Distance time and Velocity time Graph Video Lecture - Class 9
| 1. What is a distance-time graph? |  |
Ans. A distance-time graph is a graphical representation that shows how the distance traveled by an object changes over time. The distance is usually plotted on the y-axis, while time is plotted on the x-axis. The slope of the graph represents the speed of the object, with steeper slopes indicating faster speeds.
| 2. How can we interpret a distance-time graph? | |
Ans. In a distance-time graph, the slope of the graph indicates the speed of the object. A steeper slope indicates a higher speed, while a flatter slope indicates a lower speed. If the slope is horizontal, it means the object is not moving (at rest). The distance covered by the object can be determined by looking at the y-coordinate at a specific point on the graph.
| 3. What does a straight line on a distance-time graph represent? | |
Ans. A straight line on a distance-time graph represents uniform motion. This means that the object is traveling at a constant speed. The slope of the line represents the speed, and if the slope is positive, it indicates that the object is moving in one direction. A horizontal straight line represents that the object is at rest.
| 4. How can we calculate the speed from a distance-time graph? | |
Ans. To calculate the speed from a distance-time graph, we need to find the slope of the graph. The slope is the ratio of the change in distance to the change in time. By dividing the change in distance by the change in time between any two points on the graph, we can determine the speed of the object.
| 5. What does a curved line on a distance-time graph represent? | |
Ans. A curved line on a distance-time graph represents non-uniform motion or changing speed. This means that the object is not traveling at a constant speed. The slope of the curve at any point represents the instantaneous speed of the object at that particular time. The steeper the slope, the greater the speed at that moment.
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Dec 03, 2024 Last updated |
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