1. Distance and Displacement

2. Motion
An object is in motion when its position with respect to another object is changing.
If no change than no motion is perceived

3. Distance and Displacement
Distance: The length of a path covered by an object between its initial and final positions. This will vary depending on the route chosen.
EXAMPLE:
Marble rolls= mm or cm (millimetres or centimetres)
Car travels= m or Km ( metres or kilometres)
Displacement: The shortest distance between the initial and final positions of an object.

4. Displacement vs Distance

5. Combining Displacements
Displacement is a vector
This is a quantity that has a magnitude and a direction
Magnitude= size length or amount
Arrows on a graph are used to represent vectors.
The length of an arrow shows the magnitude of a vector

6. Examples Combining displacements
Vector addition is the combining of vector magnitudes and directions
EX:
5 km right 10 km right
5 + 10= 15km right
10 km right 3 km left
10 – 3= 7 km right