6.1 Quantity Represented by the Gradient of a Graph
The gradient of graph is the rate of change of a quantity on the vertical axis with respect to the change of another quantity on the horizontal axis.
(A) Distance – Time Graph
1. The gradient of a distance-time graph is speed.
(a) From O to P: Gradient = positive
(b) From P to Q: Gradient = 0 → (The object stopped moving)