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Alhussan Physics — Stage 8

Chapter 6: Forces, Motion and Pressure

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Chapter 7: Light

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Chapter 8: Magnetism and Electromagnets

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Chapter 9: Energy Resources

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

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Quiz

Physics 6.12 Calculating moments — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Which is the correct definition of “Equilibrium”?
Moment of a force.
Force pushing forward.
Balanced, not turning.
Said moving objects keep moving unless friction acts.
2.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
3.
Moment against distance for a 50 N force. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 2
"Moment (N m)" increases as "Distance (m)" increases
"Moment (N m)" stays the same
"Moment (N m)" rises to a peak at 0.8, then falls
"Moment (N m)" decreases as "Distance (m)" increases
4.
Force needed to balance a 600 N m moment. By how much does "Force (N)" change between 0.5 and 3?
Dr Dabour Hub Academy - figure 3
1250
200
1400
1000
5.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
6.
Which term matches this definition? “Turning in the direction of clock hands.”
Clockwise moment
Equilibrium
Elastic
Sink
7.
Why is a long spanner easier to use?
It is shinier
It has less friction
The same force gives a bigger moment
It is heavier
8.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
9.
Moment against distance for a 50 N force. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
10.
Which term matches this definition? “Long pole adjusted to balance turning forces.”
Tightrope pole
See-saw
Frictionless surface
Force multiplier
11.
Which term matches this definition? “Total clockwise moments = total anticlockwise moments for a balanced object.”
Newton's first law
Principle of moments
Hooke's law
Pressure law
12.
Force needed for 120 N m with a 0.4 m spanner?
3000 N
120 N
300 N
48 N
13.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
14.
Moment of 300 N at 2 m?
150.0 N m
302.0 N m
6000.0 N m
600.0 N m
15.
Moment of 50 N at 2 m?
25.0 N m
100.0 N m
52.0 N m
1000.0 N m
16.
Spanner length and force needed for 100 N m. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
17.
Which is the correct definition of “Moment”?
Tool using a long handle for a larger moment.
Force ÷ extension.
Lever giving a bigger output force.
Turning effect = force × perpendicular distance from pivot.
18.
A 400 N child sits 1.5 m from the pivot. Where must a 600 N child sit to balance?
600.00 m
1.00 m
1.50 m
2.25 m
19.
Moment of 20 N at 0.4 m?
20.4 N m
8.0 N m
50.0 N m
80.0 N m
20.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
21.
Which is the correct definition of “Clockwise moment”?
Balanced when clockwise moments = anticlockwise moments.
Turning in the direction of clock hands.
Weight balancing a crane's load.
Force × perpendicular distance from pivot.
22.
Which statement is correct?
When balanced, clockwise moments equal anticlockwise moments.
A force through the pivot gives maximum moment.
A heavier child sits further out to balance.
Door handles near hinges need less force.
23.
Force needed to balance a 600 N m moment. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
24.
Which statement is NOT correct?
Mobiles hang level when moments balance.
Wheel nuts are loosened with a long wrench.
A moment depends on force and distance from the pivot.
Door handles near hinges need less force.
25.
A 400 N child sits 2 m from the pivot. Where must a 500 N child sit to balance?
1.60 m
800.00 m
2.00 m
2.50 m
26.
Moment of 50 N at 0.4 m?
20.0 N m
125.0 N m
50.4 N m
200.0 N m
27.
Force needed for 110 N m with a 0.4 m spanner?
275 N
110 N
44 N
2750 N
28.
Which is the correct definition of “Spanner”?
Turning effect = force × perpendicular distance from pivot.
Point where the graph stops being straight.
Lever with the load between pivot and effort.
Tool using a long handle for a larger moment.
29.
Spanner length and force needed for 100 N m. Calculate the percentage change in "Force (N)" from 0.1 to 0.5.
Dr Dabour Hub Academy - figure 11
20%
−80%
80%
−400%
30.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
31.
Which is the correct definition of “Principle of moments”?
Shape change that remains.
Balanced when clockwise moments = anticlockwise moments.
Force applied.
Force ÷ extension.
32.
Moment needed to loosen nuts (N m). What is the total of all the values?
Dr Dabour Hub Academy - figure 13
526
586
477
646
33.
Force needed for 110 N m with a 0.2 m spanner?
110 N
5500 N
22 N
550 N
34.
Spanner length and force needed for 100 N m. At what value of "Length (m)" is "Force (N)" greatest?
Dr Dabour Hub Academy - figure 14
0.2
0.5
0.25
0.1
35.
Moment needed to loosen nuts (N m). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 15
A
B
C
D
36.
Moment needed to loosen nuts (N m). What is the value for Car wheel?
Dr Dabour Hub Academy - figure 16
120
16
424
78
37.
Moment against distance for a 50 N force. At what value of "Distance (m)" is "Moment (N m)" smallest?
Dr Dabour Hub Academy - figure 17
0.8
0
0.4
0.6
38.
Which term matches this definition? “Tool using a long handle for a larger moment.”
Tightrope pole
Sink
Spanner
Equilibrium
39.
Force needed to balance a 600 N m moment. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 18
"Force (N)" increases as "Distance (m)" increases
"Force (N)" decreases as "Distance (m)" increases
"Force (N)" rises to a peak at 0.5, then falls
"Force (N)" stays the same
40.
Which statement is correct?
Moment = force × distance.
Doubling distance halves the moment.
Door handles near hinges need less force.
A force through the pivot gives maximum moment.
41.
Moment of 300 N at 0.4 m?
300.4 N m
750.0 N m
120.0 N m
1200.0 N m
42.
Moments are measured in ____.
pascals (Pa)
newton metres (Nm)
newtons (N)
joules per second
43.
A tightrope walker uses a long ____ to balance.
pole
wheel
rope
magnet
44.
Long spanners give a bigger moment from the same ____.
force
time
colour
mass
45.
True or false? If clockwise moments are larger, the object turns anticlockwise.
True
False
46.
True or false? Wheel nuts are loosened with a long wrench.
True
False
47.
True or false? Cranes use magnets to balance.
True
False
48.
True or false? Moments are in newtons.
True
False
49.
True or false? Balanced moments make things spin.
True
False
50.
True or false? Moment = force × distance.
True
False
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Part of Chapter 6: Forces, Motion and Pressure — see every lesson and quiz in this unit.
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