Describing motion along a line

Question 1

Describe the difference between distance and displacement

Answer 1

Distance is a scalar quantity it is just how far an object has moved.

Displacement is a vector quantity it measures the distance and direction in a straight line from an objects starting point to its finishing point

Question 2

What is equation for speed ?

Answer 2

Speed = distance / time

Question 3

Describe the difference between speed and velocity

Answer 3

Speed is just how fast you’re going.

Velocity is speed in a given direction e.g. 30mph north or 20m/s to the right.

Question 4

What is the equation for acceleration ?

Answer 4

Acceleration = change in velocity / time