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प्रश्न
Draw velocity-time graph to show:
Acceleration
Write a sentence to explain the shape of graph.
उत्तर
Acceleration is represented by a line on a velocity time graph with a positive slope with time axis.
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संबंधित प्रश्न
What can you say about the motion of a body if:
its velocity-time graph is a straight line ?
What type of motion is represented by the following graph ?
What type of motion is represented by the following graph ?
A train starting from rest picks up a speed of 20 ms−1 in 200 s. It continues to move at the same rate for the next 500 s and is then brought to rest in another 100 s.
- Plot a speed-time graph.
- From graph calculate
(a) uniform rate of acceleration
(b) uniform rate of retardation
(c) total distance covered before stopping
(d) average speed.
Draw the speed-time graph of a body starting from some point P, gradually picking up speed, then running at a uniform speed and finally slowing down to stop at some point Q.
Draw the following graph:
Speed versus time for a stepped motion
Given below are the speed -time graphs. Match them with their corresponding motions :
 |
(a) Uniformity retared motion |
 |
(b) Non-uniformity acceleration |
 |
(c) Non-uniform motion |
 |
(d) uniform motion |
What can you say about the motion of a body if:
Its time-velocity graph is a straight line
State whether true or false. If false, correct the statement.
The velocity – time graph of a particle falling freely under gravity would be a straight line parallel to the x axis.
The area under the v-t graph represents a physical quantity that has the unit.
