Advertisements
Advertisements
प्रश्न
What can you say about the motion of a body if:
its displacement-time graph is a straight line ?
उत्तर
The body has uniform velocity if its displacement –time graph is a straight line. If the straight line is parallel to the time axis then the magnitude of uniform velocity is zero.
APPEARS IN
संबंधित प्रश्न
The velocity-time graph for part of a train journey is a horizontal straight line. What does this tell you about its acceleration ?
Diagram shows a velocity – time graph for a car starting from rest. The graph has three sections AB, BC and CD.
Compare the distance travelled in section BC with the distance travelled in section AB.
A ball is thrown up vertically and returns back to thrower in 6 s. Assuming there is no air friction, plot a graph between velocity and time. From the graph calculate
- deceleration
- acceleration
- total distance covered by ball
- average velocity.
From the velocity – time graph given below, calculate acceleration in the region AB.
Represent the position of a body described as at 15 m, 30o north of west, on a graph paper.
The area under a speed-time graph in a given intervals gives the total distance covered by a body irrespective of its motion being uniform or non-uniform.
What can you conclude if the speed-time graph of a body is a curve moving upwards starting from the origin?
Draw the following graph:
Distance versus time for a body at rest.
What can you say about the nature of motion of a body of its displacement-time graph is:
A straight line inclined to the time axis with an acute angle?
Draw velocity-time graph to show:
Zero acceleration
Write a sentence to explain the shape of graph.
