Curriculum
Course: Alhussan Physics — Stage 8
Login

Curriculum

Alhussan Physics — Stage 8

Chapter 6: Forces, Motion and Pressure

0/48

Chapter 7: Light

0/30

Chapter 8: Magnetism and Electromagnets

0/15

Chapter 9: Energy Resources

0/18

Chapter 10: The Earth in Space (Galaxies and Asteroids)

0/10
Quiz

Physics 6.7 Friction — Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 50
  • Passing grade: B+
Start Quiz
1.
Stopping distance on road surfaces (m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Friction is 3 N per kg. Friction on 5 kg?
15 N
2 N
8 N
150 N
3.
Which term matches this definition? “Useful friction between tyres and road.”
Distance–time graph
Curved line
Horizontal axis
Grip
4.
Oil cut friction from 20 N to 8 N. Percentage decrease?
12%
60%
40%
150%
5.
Which is the correct definition of “Ball bearings”?
Balls that reduce friction in wheels.
Faster speed on a d–t graph.
Unit of speed, m/s.
Data that can take any value.
6.
Pull 20 N, friction 4 N. Resultant?
16 N
20 N
24 N
−16 N
7.
A 12 N push moves a book against 7 N of friction. What is the resultant force?
19 N
12 N
7 N
5 N
8.
Friction is 4 N per kg. Friction on 2 kg?
6 N
80 N
2 N
8 N
9.
Which term matches this definition? “Surface with large bumps and high friction.”
Rough surface
Gradient
Category
Metres per second
10.
Force to pull a block on surfaces (N). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
11.
Which is the correct definition of “Wear”?
Hand-operated timer.
Time on a d–t graph.
Damage to surfaces from friction.
Miles per hour.
12.
In this force diagram, which force is friction?
Dr Dabour Hub Academy - figure 3
The 40 N force to the right
The 25 N force to the left
Both
Neither
13.
Which statement is NOT correct?
Friction produces cold.
Static friction is usually bigger than sliding friction.
Heavier objects have more friction on the same surface.
All surfaces are uneven under a microscope.
14.
Temperature of brakes during stopping. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
15.
Stopping distance on road surfaces (m). Which has the smallest value?
Dr Dabour Hub Academy - figure 5
Dry
Wet
Snow
Ice
16.
Which statement is correct?
Friction causes wear of surfaces.
Friction always helps.
Brakes use magnetism.
Static friction is smaller than sliding friction.
17.
Which statement is NOT correct?
Bumps on surfaces catch as they slide.
Static friction is usually bigger than sliding friction.
Smooth metal has no bumps.
Tyres need friction for grip.
18.
Which is the correct definition of “Grip”?
On a speed–time graph, equals distance.
Distance travelled per unit time.
Useful friction between tyres and road.
Speed at the start.
19.
Stopping distance on road surfaces (m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
20.
Pull 10 N, friction 7 N. Resultant?
17 N
10 N
−3 N
3 N
21.
Which is the correct definition of “Lubricant”?
Oil or grease that reduces friction.
Upward force from a fluid.
Data in whole counts.
Surface with large bumps and high friction.
22.
Force to pull a block on surfaces (N). Which has the smallest value?
Dr Dabour Hub Academy - figure 7
Wood
Carpet
Ice
Glass
23.
Which is the correct definition of “Rough surface”?
Surface with large bumps and high friction.
Steepness of a line: rise ÷ run.
Data that can take any value.
Meaningful digits in a number.
24.
Which statement is correct?
Bumps on surfaces catch as they slide.
Tread traps water.
Friction always helps.
Oil increases friction.
25.
Force to pull a block on surfaces (N). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
26.
Why are bicycle chains oiled?
To reduce friction and wear
To change colour
To make them heavy
To increase friction
27.
Which term matches this definition? “Friction on a moving object.”
Distance
Distance–time graph
Bar chart
Sliding friction
28.
Which term matches this definition? “Grooves on tyres removing water.”
Light gate
Tread
Area under graph
Systematic error
29.
Stopping distance on road surfaces (m). Which has the greatest value?
Dr Dabour Hub Academy - figure 9
Dry
Ice
Wet
Snow
30.
Which statement is correct?
Ice has high friction.
Smooth metal has no bumps.
Oil reduces friction.
Friction produces cold.
31.
Force to pull a block on surfaces (N). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
32.
Temperature of brakes during stopping. At what value of "Time (s)" is "Temperature (°C)" smallest?
Dr Dabour Hub Academy - figure 11
4
0
2
1
33.
Oil cut friction from 20 N to 5 N. Percentage decrease?
25%
15%
300%
75%
34.
Friction is 4 N per kg. Friction on 8 kg?
32 N
2 N
320 N
12 N
35.
Stopping distance on road surfaces (m). About how many times bigger is Ice than Dry?
Dr Dabour Hub Academy - figure 12
5.4
2.7
8.1
10.8
36.
Pull 15 N, friction 11 N. Resultant?
−4 N
4 N
26 N
15 N
37.
Climbers' shoes have ____ soles for grip.
rubber
plastic only
metal
ice
38.
Ice has ____ friction.
low
high
infinite
zero only
39.
Friction is unwanted in ____.
matches
brakes
engines
shoes
40.
Friction acts ____ the motion.
against
without
with
across
41.
Tread removes ____ from under tyres.
light
water
air
rubber
42.
Friction causes ____ of surfaces.
rust
wear
cooling
growth
43.
True or false? Tyres need friction for grip.
True
False
44.
True or false? Even smooth-looking surfaces are uneven under a microscope.
True
False
45.
True or false? Bumps on surfaces catch as they slide.
True
False
46.
True or false? Oil increases friction.
True
False
47.
True or false? Smooth metal has no bumps.
True
False
48.
True or false? Ice has low friction.
True
False
49.
True or false? Friction produces cold.
True
False
50.
True or false? Friction causes wear of surfaces.
True
False
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Chapter 6: Forces, Motion and Pressure — see every lesson and quiz in this unit.
Accepted payment methods