Module 3.1 – MotionModule 3.1 – Motion



Distance travelled by an object is the length of path taken.
a. SI unit is metre (m)
b. Scalar quantity
c. Can never be negative.
2. Displacement is the shortest distance from the initial to the final position of an object.
a. SI unit is metre (m)
b. Vector quantity
c. Can be negative and positive. The sign determines the direction of which an object is
displaced from its starting point.