What can you say about the nature of motion of a body if its displacement-time graph is a straight line in client to the time axis with an obtuse angle?

The following can be said about the nature of motion of a body, if its displacement-time graph is as follows —

(a) A straight line parallel to time axis — shows that the body is stationary (or no motion).

(b) A straight line inclined to the time axis with an acute angle — shows the linear relationship between the displacement and time (i.e., the body travels equal distance in equal intervals of time in a certain direction). Hence, we can say the motion is away from the starting point with uniform velocity.

(c) A straight line inclined to the time axis with an obtuse angle — shows that there is motion towards the starting point with a uniform velocity.

(d) A curve — shows that the body moves with varying speed in a fixed direction. Hence, we can say that there is motion with variable velocity.

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?

In displacement-time graph a straight line inclined to the time axis with an acute angle means body is moving with a positive velocity.

Concept: Graphical Representation of Motion - Velocity - Time Graphs

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What can you say about the nature of motion of a body if its displacement-time graph is A straight line inclined to the time axis with an obtuse angle?

It depicts that the body is moving towards the starting point with uniform velocity.

Concept: Distance and Displacement

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What can you say about the nature of motion of a body if its displacement-time graph is A curve.

It depicts that the body is moving with variable velocity.

Concept: Distance and Displacement

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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?

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