Physics
What informations about the motion of a body are obtained from the displacement-time graph ?
Motion in One Dimension
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Answer
In a displacement time graph, the time is on the X axis and the displacement of the body is on the Y axis. As, velocity is the ratio of displacement and time, therefore, the slope gives the velocity.
When slope is positive, it implies body is moving away from the starting (reference) point.
When slope is negative, it implies body is returning towards the starting (reference) point.
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Related Questions
Can displacement-time sketch be parallel to the displacement axis ? Give reason to your answer.
State how the velocity-time graph can be used to find —
(i) the acceleration of a body,
(ii) the distance travelled by the body in a given time, and
(iii) the displacement of the body in a given time.
What can you say about the nature of motion of a body if its displacement-time graph is —
(a) a straight line parallel to time axis?
(b) a straight line inclined to the time axis with an acute angle?
(c) a straight line inclined to the time axis with an obtuse angle?
(d) a curve
Draw a displacement-time graph for a boy going to school with a uniform velocity.