Question
What conclusions do you draw about the motion of a body from the following displacement-time graphs: 
Solution
(a) From A to B, the body is at rest.
(b) From O to A, the body is moving with a uniform velocity (positive).
(c) From A to B, the body is moving with a uniform negative velocity.
(d) From O to A, the body has positive variable velocity.
(e) From O to A, the body has uniform positive velocity, from A to B the body has zero velocity and from B to C, the body has uniform negative velocity.
(f) From O to A, the body has variable positive velocity and from A to B, the body has variable negative velocity.
