Physics
The velocity-time graph of a body in motion is a straight line inclined to the time axis. The correct statement is —
- velocity is uniform
- acceleration is uniform
- both velocity and acceleration are uniform
- neither velocity nor acceleration is uniform.
Motion in One Dimension
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Answer
acceleration is uniform
Reason — When the velocity-time graph of a body in motion is a straight line inclined to the time axis then there are equal changes in velocity in equal intervals of time and hence, the movement is with uniform acceleration.
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Related Questions
Out of the following, the correct displacement-time graph for uniform motion is:
From the velocity-time graph, we can determine :
- The displacement of the body in a certain time interval.
- The acceleration of the body at any instance.
- Both (a) and (b)
- None of these
For a uniformly retarded motion, the velocity-time graph is:
- a curve
- a straight line parallel to the time axis
- a straight line perpendicular to the time axis
- a straight line inclined to the time axis.
Study the velocity-time graph shown below and answer the questions that follow:
(i) The distance travelled in 5s:
- 10 m
- 50 m
- 125 m
- 250 m
(ii) The retardation of the body as calculated from the graph is:
- 12 ms-2
- 15 ms-2
- 10 ms-2
- 20 ms-2