A scalar quantity has magnitude and direction.

Which of the following are vector quantities?

Speed

Acceleration

Displacement

Temperature

Mass

Force

What is the unit for measuring speed?

m s

m s ²

m/s

m/s ²

In a velocity time graph, what is represented by the slope?

Velocity

Time

What is the formula for velocity?

Distance/ time

Displacement/ time

Distance x time

Speed x time

Displacement is distance in a given direction.

A car travels 80m west in 20s. What is its velocity?

4 m/s

40 m/s

4 m/s ² west

4 m/s west

What is the formula for acceleration?

Speed/ time

Change in velocity/ time

Velocity x time

A body starts from rest and accelerates uniformly to a velocity of 80 m/s north. What is its acceleration after 10s?

8 m/s ²

800 m/s ²

- 8 m/s ²

Calculate the displacement of a car accelerating uniformly from rest to a velocity of 40 m/s south in 5 s.

8 m south

10 m south

100 m south

200 m south