3
The table shows the difference between vector and scalar quantities. Quantity
Description
Examples
has magnitude only has magnitude and direction
a Copy the table and complete the first column with the words vector and scalar in the correct rows. b Write the words listed below in the correct spaces in the third column. speed velocity distance acceleration weight 4
A runner travels 400 m in 50 s. What is her average speed?
[3]
5
The graph represents the motion of a bus. It is in two sections, A and B. What can you say about the motion of the bus during these two sections?
[2]
B
Distance
S
A
Time
6
How far will a bus travel in 30 s at a speed of 15 m/s?
[3]
7
The table shows the distance travelled by a car at intervals during a short journey. Distance / m
0
200
400
600
800
Time / s
0
10
20
30
40
a Draw a distance–time graph to represent this data. b What does the shape of the graph tell you about the car’s speed?
Original material © Cambridge University Press 2014
[4] [2]
Chapter 2: Describing motion
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