Linear Motion (1)

Definition of linear motion

The motion of an object in a straight path

Definition of distance

The total path length travelled by an object

Definition of displacement

The distance of the shortest path that connects two locations in a specified direction

S.I unit for distance

Metre (m)

S.I unit for displacement

Metre (m)

Tool for measuring distance

- Ruler - Sketch map

Definition of speed

The rate of change of distance

Definition of average speed

The rate of change of total distance travelled

S.I unit of speed

metre (ms⁻¹)

An example of linear motion of an object