Try this as often as you like. You will get a different set of questions each time you attempt this quiz.
The speed of an object is
how far it has travelled in a given time.
the time it takes to travel one kilometre.
measured in metres squared.
the same as its acceleration.
Which one of the following statements is correct?
speed = distance travelled ÷ time taken
speed = distance travelled × time taken
speed = time × distance travelled
speed = distance travelled + time taken
The speed of a car is
the distance it travels in unit time
how far it has travelled during a journey
the same as its acceleration
measured in kilometres
Which one of the following is NOT a unit of speed?
m/s²
m/s
km/h
miles per hour
The unit of speed is
metre per second
second per metre
metre per second squared
metre squared
An athlete can run 100 m in 10 seconds. What is her average speed?
10 m/s
100 m/s
0.1 m/s
110 m/s
How long will it take an athlete whose average speed is 7.5 m/s to run 1500 metres?
200 seconds
500 seconds
1507.5 seconds
100 seconds
A truck has an average speed of 80 km/h. How far will it travel in 4 hours?
320 km
20 km
84 km
5 km
Which one of the following is NOT a unit for measuring speed?
Grams per centimetre cubed
Metres per second
kilometres per hour
Miles per hour
An athlete can run 200 m in 25 seconds. What is her average speed?
8 m/s
225 m/s
0.125 m/s
50 m/s
A car travels 120 kilometres in 45 minutes. What is its average speed?
160 km/h
120 km/h
2.67 km/h
90 km/h
An aircraft travelling at 800 km/h takes 4 hours to make a journey. How far has it travelled?
3,200 km
200 km
800 km
4,000 km
The motion of a cyclist is represented by the distance-time graph shown. Using the graph, how far has the cyclist travelled in 7 seconds?
35 metres
1.5 metres
30 metres
40 metres
In 2009, Usain Bolt set a new world record for the 100 metres race with a time of 9.58 seconds. What was his average speed?
10.40 m/s
109.58 m/s
0.0958 m/s
20 m/s
Using the distance-time graph shown, what is the distance travelled after 5 seconds?
10 metres
2.25 metres
20 metres
15 metres
The graph shows the motion for a walker. How far has she travelled after 40 seconds?
160 metres
10 metres
30 metres
5 metres
The speed of an object may be determined from its distance-time graph. Using the graph shown, what is the speed of this object?
5 m/s
0.2 m/s
20 m/s
2 m/s
Using the distance-time graph shown, what time does it take to travel 100 metres?
25 seconds
40 seconds
15 seconds
60 seconds
Study the distance-time graph shown. Which one of the following statements about this graph is true?
The object is travelling at a steady speed.
The speed of the object is decreasing.
The object is not moving.
The object is going backwards.
The graph shows how the velocity of an object is changing as it accelerates. What is its velocity after 20 seconds?
60 m/s
7 m/s
80 m/s
40 m/s
Which one of the following distance-time graphs represents an object moving at a steady speed?
Which of the following velocity-time graphs is that for an accelerating object?
The difference between speed and velocity is
velocity has a direction
speed has no units
speed is always measured in kilometres per hour
velocity has no unit
When an object is slowing down, it is said to be
decelerating
accelerating
moving at a steady speed
stationary
A plane is travelling from Belfast to London at a speed of 200 m/s as shown. Which one of the following best describes its velocity?
200 m/s in a South Easterly direction
200 m/s in a North Westerly direction
200 m/s in a South Westerly direction
200 m/s in a Southerly direction
If the speed of a car is not changing, then it is
travelling at a constant speed
slowing down
accelerating
increasing its speed
The unit of acceleration is
m/s²
m/s
m
sec
Acceleration is defined as
change in velocity ÷ time taken
change in direction ÷ time taken
speed of an object in a given direction
How fast an object is moving
A car accelerates from rest to a speed of 40 m/s in 5 seconds. What is its acceleration?
8 m/s²
8 m/s
200 m/s²
0.125 m/s²
A cyclist travelling at a speed of 25 m/s slows down to 10 m/s in a time of 10 seconds. What is his decelleration?
1.5 m/s²
3.5 m/s²
10 m/s²
25 m/s²
Study the velocity-time graph for a motor car travelling on a motorway. For how many minutes is it accelerating?
3 minutes
2 minutes
5 minutes
10 minutes
Study the velocity-time graph for a motor car travelling on a motorway. During what stage of the journey is it accelerating at a steady rate?
B to C
A to B and C to D
D to E
C to D only
Study the velocity-time graph for a motor car travelling on a motorway. During what stage of the journey is it decelerating at a steady rate?
D to E
A to B and C to D
B to C
C to D only
Which one of the following diagrams represents a car travelling at a constant speed?
A car starts from rest and accelerates at a rate of 6 m/s². How far has it travelled after 5 seconds?
75 metres
1.2 metres
30 metres
11 metres
A runner accelerates from rest to a speed of 10 m/s in 2 seconds. What is her acceleration?
5 m/s²
20 m/s²
0.2 m/s²
12 m/s²
Which one of the following is not considered to be an acceleration?
A runner traveling at 15 m/s over 100 metres.
A car changing its speed from 30 m/s to 50 m/s.
A truck travelling around a bend at 40 km/h.
An airplane coming down to land at a speed of 180 m/s.
The graph shows the velocity of a stone as it fell from a tall cliff. What is the acceleration of this stone?
10 m/s²
20 m/s²
5 m/s²
50 m/s²
A car changes its velocity from 6 m/s to 18 m/s in 3 seconds. What is its acceleration?
4 m/s²
6 m/s²
2 m/s²
9 m/s²
A cyclist travelled along a straight track and its distance travelled was measured at different times. A graph of its motion was then drawn. What distance had it travelled after 5 seconds?
25 metres
1 metre
20 metres
30 metres
A cyclist travelled along a straight track and its distance travelled was measured at different times. A graph of its motion was then drawn. What was the speed of the cyclist?
5 m/s
40 m/s
0.2 m/s
10 m/s
True or False? This graph is that of an accelerating object.
True
False
A cyclist moves 20 metres along a track in 4 seconds. What is his speed?
5 m/s
80 m/s
10 m/s
40 m/s
A cyclist moves uniformly 20 metres along a track in 4 seconds. What distance did he travel in the first second?
5 metres
15 metres
10 metres
20 metres
The graph shows the distance travelled by a cyclist in a time interval of 8 seconds. What is the average speed of the cyclist?
5 m/s
0.2 m/s
10 m/s
20 m/s
The graph shows the distance travelled by a cyclist in a time interval of 8 seconds. How far has he travelled in the first five seconds?
25 metres
1 metre
40 metres
10 metres
The speed of a car is 15 m/s. How far will it travel in 5 seconds?
75 metres
3 metres
45 metres
20 metres
A cyclist travels 100 metres in 20 seconds. What is the average speed of the cyclist?
5 m/s
2,000 m/s
0.2 m/s
120 m/s
A cyclist moving in a straight line increases his velocity from 5 m/s to 15 m/s in 5 seconds. What is his acceleration?
2 m/s²
4 m/s²
15 m/s²
10 m/s²
A stone was dropped from a cliff and the distance it had fallen was plotted in the diagram shown. How far had the sone fallen after 3.5 seconds?
60 metres
2.4 metres
45 metres
80 metres
A stone was dropped from a cliff and the distance it had fallen was plotted in the diagram shown. What was the average speed of the falling stone between the second and fourth seconds?
30 m/s
20 m/s
80 m/s
45 m/s
A stone was dropped from a cliff and the distance it had fallen was plotted in the diagram shown. True or False? The distance that the stone falls through is proportional to the time taken.
False
True
A stone was dropped from a cliff and the distance it had fallen was plotted in a diagram. What was the acceleration of the stone as it fell?
10 m/s²
1 m/s²
5 m/s²
0.1 m/s²
A boy cycles to school each day. His home is 6 km from his school and it takes him on average 30 minutes to get there. What is the boy’s average speed in km/h.
12 km/h
36 km/h
5 km/h
10 km/h
A car stopped at traffic lights and then drove off with constant acceleration of 2 m/s². What is the speed of the car after 8 seconds?
16 m/s
4 m/s
10 m/s
1 m/s
The standard unit of speed used by scientists is
metres per second
miles per hour
mass per second
metres per hour
The speed limit in most urban areas is 50 kilometres per hour. What is this speed in metres per second, correct to one place of decimals?
13.9
833.3
72
6.4
A dog runs 5 metres in 2 seconds. What is its average speed?
2.5 m/s
10 m/s
7 m/s
52 m/s
Speed in a given direction is also known as
velocity
acceleration
distance
motion
Speed and velocity mean the same thing.
FALSE
TRUE
The approximate speed of an Olympic runner in the 100 metres race is
10 m/s
5 m/s
15 m/s
1 m/s
The fastest land animal is considered to be the
cheetah
giraffe
greyhound
grizzly bear
Deceleration means
slowing down
speeding up
keeping a constant velocity
If a one cent coin and a two cent coin were dropped from the Eiffel Tower at the same time, which one of these coins will hit the ground first?
Both
The one cent coin
The two cent coin
Which seventeenth century scientist discovered that all bodies fall at the same rate?
Galileo Galilei
Isaac Newton
Robert Boyle
Pascal
The maximum velocity which a parachutist reaches during free fall is called
terminal velocity
initial velocity
final velocity
escape velocity
A stone and a feather dropped from a tall building at the same time, will not hit the ground simultaneously because of their
difference in air resistance
difference in weights
different densities
their different colours
The fastest possible speed is called
the speed of light
the speed of sound
terminal velocity
speed limit
For a space rocket to break free from the earth's gravity, its velocity must be greater than its
escape velocity
terminal velocity
initial velocity
cruising velocity
A keep fit enthusiast walked 2 kilometres in 20 minutes, and then ran a further 2 kilometres in 10 minutes. What is her average velocity?
Galileo Galilei
Isaac Newton
Robert Boyle
Pascal
