What characterises the state of motion? Explain for cases of object at rest, uniform and non-uniform motion. [3 MARKS]
Answer : 1 Mark
Explanation : 2 Marks
The state of motion of an object is described by its speed and the direction of motion. i.e its velocity.
Speed/Velocity = 0 => Rest
Speed/Velocity = constant => Uniform Motion
Changing speed/velocity => Non-uniform Motion