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प्रश्न
Write down the type of motion of a body in each of the following distance time-graph.
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उत्तर
(i) The body is showing decreasing velocity that is retardation.
(ii) Initially, the body is showing retarded motion and then an accelerating one.
(iii) The body is in the state of rest.
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संबंधित प्रश्न
What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?
What can you say about the motion of an object if its speed-time graph is a straight line parallel to the time axis?
Show the shape of the distance-time graph for the motion in the following case:
A car parked on a side road.
What does the slope of a distance-time graph indicate ?
Name the two quantities, the slope of whose graph give speed .
A spaceship is moving in space with a velocity of 60 kms−1. It fires its retro engines for 20 seconds and velocity is reduced to 55 kms−1. Calculate the distance travelled by a spaceship in 40 s, from the time of firing of the retro- rockets.
Show the shape of the distance – time graph for the motion in the following cases.
- A bus moving with a constant speed.
- A car parked on a road side.
The slope of the distance-time graph at any point gives______.
Starting from A, Paheli moves along a rectangular path ABCD as shown in figure. She takes 2 minutes to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform.
Assertion: The position-time graph of a uniform motion in one dimension of a body can have a negative slope
Reason: When the speed of the body decreases with time then, the position-time graph of the moving body has a negative slope.
