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 6.11 Levers — 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.
Moment of 10 N at 0.5 m?
10.5 N m
20.0 N m
0.1 N m
5.0 N m
2.
Load 600 N with effort 100 N. Mechanical advantage?
700.0
6.0
0.2
500.0
3.
True or false? Tweezers move the load with less force than the effort.
True
False
4.
Force to open a door at distances from hinge. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 1
"Force (N)" increases as "Distance (m)" increases
"Force (N)" rises to a peak at 0.2, then falls
"Force (N)" decreases as "Distance (m)" increases
"Force (N)" stays the same
5.
Which statement is NOT correct?
Mechanical advantage = effort ÷ load.
Pushing further from the pivot gives a bigger turning effect.
Levers are force multipliers.
Scissors are a pair of levers.
6.
A lever turns about a ____.
pivot
magnet
wheel
spring
7.
Which is the correct definition of “Moment”?
Said a force is needed to keep things moving.
Force pushing forward.
Force ÷ extension.
Force × perpendicular distance from pivot.
8.
Which statement is NOT correct?
Forces can make objects turn.
A see-saw has the pivot in the middle.
Levers create energy.
A crowbar is a lever.
9.
Your forearm is a ____.
pulley
magnet
spring
lever
10.
Which statement is NOT correct?
Levers do not reduce the work done
The load is the force you apply.
A see-saw has the pivot in the middle.
Pushing further from the pivot gives a bigger turning effect.
11.
Forces can make objects ____.
melt
turn
glow
vanish
12.
Load lifted with 100 N effort. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
13.
Effort 50 N at 2 m; load at 0.25 m. Load lifted?
100 N
50 N
400 N
6 N
14.
Load 400 N with effort 100 N. Mechanical advantage?
4.0
0.2
300.0
500.0
15.
Which statement is correct?
Shorter levers need less effort.
A long lever lets a small effort move a large load.
Force multipliers move the effort less than the load.
Egyptians used motors.
16.
Force to open a door at distances from hinge. At what value of "Distance (m)" is "Force (N)" greatest?
Dr Dabour Hub Academy - figure 3
0.8
0.2
0.6
0.4
17.
Mechanical advantage of tools. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
18.
Which term matches this definition? “Load ÷ effort.”
Centre of mass
Mechanical advantage
Perpendicular distance
Tension
19.
The force moved by the lever is the ____.
tension
pivot
effort
load
20.
Which is the correct definition of “Effort”?
Imagined experiment to test ideas.
Force applied to a lever.
Weighted string hanging vertically.
Shortest distance from pivot to the force line.
21.
Which statement is correct?
In a wheelbarrow the load is between the pivot and the effort.
Shorter levers need less effort.
A see-saw pivot is at one end.
The load is the force you apply.
22.
Mechanical advantage of tools. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
23.
A bottle opener is a ____.
spring
wheel
lever
screw
24.
Mechanical advantage of tools. What is the value for Tweezers?
Dr Dabour Hub Academy - figure 6
12.9
0.8
8.1
4.6
25.
True or false? Scissors are pulleys.
True
False
26.
Load lifted with 100 N effort. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
27.
Load 400 N with effort 50 N. Mechanical advantage?
0.1
350.0
450.0
8.0
28.
Mechanical advantage of tools. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
29.
True or false? With a lever, the effort moves through a greater distance than the load.
True
False
30.
Mechanical advantage of tools. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
31.
Load 600 N with effort 50 N. Mechanical advantage?
12.0
0.1
550.0
650.0
32.
Mechanical advantage of tools. What is the total of all the values?
Dr Dabour Hub Academy - figure 10
30.0
12.9
22.8
26.4
33.
True or false? The force moved by the lever is the load.
True
False
34.
Which statement is correct?
Short spanners make nuts easier.
Scissors are pulleys.
Egyptians used motors.
A lever turns about a pivot.
35.
Which term matches this definition? “Moment of a force.”
Wheelbarrow
Constant velocity
Turning effect
Stability
36.
True or false? Levers create energy.
True
False
37.
Which is the correct definition of “Load”?
Lever giving a bigger output force.
How hard an object is to topple.
Lever with the load between pivot and effort.
Force the lever moves.
38.
True or false? Egyptians used motors.
True
False
39.
True or false? Shorter levers need less effort.
True
False
40.
Ancient Egyptians used ____ to lift huge stone blocks.
magnets
motors
levers
balloons
41.
Which statement is NOT correct?
The effort moves further than the load in a force multiplier.
Tweezers move the load with less force than the effort.
Shorter levers need less effort.
Scissors are a pair of levers.
42.
True or false? A lever gives free energy.
True
False
43.
True or false? Force multipliers move the effort less than the load.
True
False
44.
Load lifted with 100 N effort. Calculate the percentage change in "Load (N)" from 0.5 to 2.
Dr Dabour Hub Academy - figure 11
−294%
294%
394%
75%
45.
A lever lifts a load 600 N with an effort of 150 N. How many times is the force multiplied?
40 times
4 times
90,000 times
450 times
46.
Effort 100 N at 1.5 m; load at 0.25 m. Load lifted?
150 N
100 N
17 N
600 N
47.
Which is the correct definition of “Wheelbarrow”?
Lever with the load between pivot and effort.
Force applied.
Ability to float.
Straight line through the points.
48.
Load lifted with 100 N effort. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 12
"Load (N)" stays the same
"Load (N)" decreases as "Effort distance from pivot (m)" increases
"Load (N)" rises to a peak at 2, then falls
"Load (N)" increases as "Effort distance from pivot (m)" increases
49.
Load 600 N with effort 200 N. Mechanical advantage?
800.0
0.3
3.0
400.0
50.
True or false? A see-saw has the pivot in the middle.
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