​Graph is a horizontal line (zero gradient)

Displacement is constant for every second

Displacement–Time Graphs Object at Rest

​Graph is a straight line with constant gradient

Displacement increases by 25 m every second

​​Displacement–Time Graphs

(Object at Uniform (Constant) Velocity)

​Graph has an increasing gradient

Velocity increases

​​Displacement–Time Graphs

(Object at Increasing (Non-uniform) Velocity)

​Graph has a decreasing gradient

Velocity decreases

Displacement–Time Graphs

(Object at Decreasing (Non-uniform) Velocity

​The velocity−time graph shows

a horizontal, straight line;

uniform velocity
zero acceleration.

​​Velocity–Time Graphs

(Object at Uniform Velocity)

​The velocity−time graph shows

that velocity increases by 10 m s⁻¹ every second;

a positive and constant gradient (constant acceleration).

​​Velocity–Time Graphs

(Uniform Acceleration)

​The velocity−time graph shows

that velocity decreases by 10 m s−1 every second;

a negative and constant gradient (constant deceleration).

Velocity–Time Graphs

Uniform Deceleration

​The velocity−time graph shows

that the increase in velocity increases with time;

a positive and increasing gradient;

increasing acceleration.

Velocity–Time Graphs

(Increasing Acceleration)

​The velocity−time graph shows

that the increment in velocity decreases with time;

a positive and decreasing gradient;

decreasing acceleration.

​Velocity–Time Graphs

(Decreasing Acceleration)