Fig. shows a position-time graph of two objects A and B that are moving. Class 9

Fig. shows a position-time graph of two objects A and B that are moving. Class 9

Question 1.

Fig. shows a position-time graph of two objects A and B that are moving along the parallel tracks in the same direction. Do objects A and B ever have equal velocity? Justify your answer. Class 9

Answer:

No, objects A and B never have equal velocity. The position-time graph of both objects is a straight line, which indicates constant velocity. Velocity is given by the slope of the graph. Since the slope of line A is steeper than that of line B, object A has a greater velocity than object B. As both slopes remain constant and different throughout, their velocities never become equal at any instant.