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Does a horizontal line on a distance-time graph means the object is moving at a constant speed?
Yes, a horizontal line on a distance-time graph represents an object moving at a constant speed. The slope of the line on a distance-time graph represents the speed of the object, and if the line is horizontal, it means the object is moving at a constant speed as there is no change in distance over time.
What does a horizontal line represent on a position vs time graph?
If time is along the horizontal axis, and speed up the vertical, then a horizontal line indicates that at all times the speed remains at a fixed value. Hence the object is travelling at a constant speed of v, where v is the height of the horizontal line.
Does the horizontal line on the velocity vs time graph indicate a constant and positive acceleration?
No, a horizontal line on a velocity vs. time graph indicates a constant velocity, not acceleration. An acceleration would be represented by a non-zero slope on a velocity vs. time graph.
How can a position time graph show if an object has constant acceleration?
A position-time graph with a straight line indicates constant acceleration. The slope of the line represents the acceleration, which is constant if the slope remains the same throughout the graph. A steeper slope indicates a greater acceleration, while a shallower slope indicates a smaller acceleration.
When is the shape of an position versus time graph parabolic?
The shape of a position versus time graph is parabolic when the object is undergoing constant acceleration. This acceleration results in a quadratic relationship between position and time, forming a parabolic curve.
