Curriculum
Course: Alhussan Physics — Stage 7
Login

Curriculum

Alhussan Physics — Stage 7

Chapter 1: Energy

0/19

Chapter 2: Forces

0/16

Chapter 3: Sound

0/10

Chapter 4: Electricity

0/15

Chapter 5: The Earth in Space

0/22
Quiz

Physics 2.7 Chapter 2 Review: Forces — 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.
Which shape has the smallest drag?
Rough and boxy
Narrow, smooth and pointed
Open parachute
Wide and flat
2.
Speed of a skydiver. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 1
"Speed (m/s)" rises to a peak at 12, then falls
"Speed (m/s)" decreases as "Time (s)" increases
"Speed (m/s)" increases as "Time (s)" increases
"Speed (m/s)" stays the same
3.
Which term matches this definition? “Unit of force (N).”
Weight
Force arrow
Newton
Accelerate
4.
50 N right, 20 N left. Resultant?
−30 N
30 N
50 N
70 N
5.
True or false? Air resistance falls with speed.
True
False
6.
20 N right, 5 N left. Resultant?
25 N
20 N
−15 N
15 N
7.
A 65 kg astronaut on Mars (g = 3.7 N/kg). What is the weight?
65 N
650 N
240 N
18 N
8.
50 N right, 5 N left. Resultant?
55 N
50 N
45 N
−45 N
9.
Which term matches this definition? “The amount of matter in an object, in kilograms.”
Mass
Volume
Force
Weight
10.
Which is the correct definition of “Weight”?
Resistance force from a fluid.
Simplified explanation of how something works.
Equal and opposite forces.
Force of gravity on a mass, in newtons.
11.
Weight of a 10 kg mass on different bodies. About how many times bigger is Jupiter than Moon?
Dr Dabour Hub Academy - figure 2
23.4
31.2
15.6
7.8
12.
Force needed to slide a block on surfaces. What is the total of all the values?
Dr Dabour Hub Academy - figure 3
22
9
16
19
13.
Weight against mass on Earth. Between which two values of "Mass (kg)" did "Weight (N)" change the most?
Dr Dabour Hub Academy - figure 4
1 and 2
4 and 5
0 and 1
3 and 4
14.
Which statement is NOT correct?
Air resistance increases with speed.
Weight is measured in newtons.
Mass changes on the Moon.
g on Earth is 10 N/kg.
15.
Force needed to slide a block on surfaces. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
16.
20 N right, 20 N left. Resultant?
20 N
0 N
40 N
3 N
17.
A 0.25 kg mass weighs how many newtons on Earth?
0.2 N
5.0 N
25.0 N
2.5 N
18.
Gravity keeps planets in ____.
place
shadow
orbit
light
19.
True or false? At terminal velocity you accelerate.
True
False
20.
Unbalanced forces change ____.
atoms
motion
colour
mass
21.
Weight against mass on Earth. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
22.
Gravity is a ____ force.
non-contact
elastic
contact
frictional
23.
Speed of a skydiver. At what value of "Time (s)" is "Speed (m/s)" greatest?
Dr Dabour Hub Academy - figure 7
10
2
12
0
24.
True or false? Mass is measured in kilograms.
True
False
25.
Mass ____ with place.
halves
does not change
changes
doubles
26.
30 N right, 12 N left. Resultant?
−18 N
42 N
18 N
30 N
27.
An astronaut has a mass of 65 kg on Earth. What is the mass on Mars?
650 kg
65 kg
0 kg
24 kg
28.
Force needed to slide a block on surfaces. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
29.
Force needed to slide a block on surfaces. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
30.
Weight of a 10 kg mass on different bodies. Which has the greatest value?
Dr Dabour Hub Academy - figure 10
Jupiter
Mars
Moon
Earth
31.
Which statement is correct?
Forces are measured with a newton meter.
Galileo agreed with Aristotle.
Gravity needs contact.
Weight is in kg.
32.
Weight against mass on Earth. At what value of "Mass (kg)" is "Weight (N)" smallest?
Dr Dabour Hub Academy - figure 11
3
0
2
5
33.
Force needed to slide a block on surfaces. Which has the greatest value?
Dr Dabour Hub Academy - figure 12
Sandpaper
Ice
Wood
Carpet
34.
Weight against mass on Earth. At what value of "Mass (kg)" is "Weight (N)" greatest?
Dr Dabour Hub Academy - figure 13
2
4
3
5
35.
True or false? Galileo used experiments.
True
False
36.
Moon gravity is about ____ Earth's.
double
half
one-sixth
equal to
37.
Weight = mass × gravitational field ____.
energy
speed
area
strength
38.
Speed of a skydiver. What is the value of "Speed (m/s)" when "Time (s)" is 6?
Dr Dabour Hub Academy - figure 14
45
19
55
33
39.
True or false? Mass changes on the Moon.
True
False
40.
Mass 60 kg on Earth. Weight?
96 N
600 N
60 N
6 N
41.
Weight against mass on Earth. At what value of "Mass (kg)" is "Weight (N)" greatest?
Dr Dabour Hub Academy - figure 15
2
1
5
3
42.
Weight 800 N, drag 300 N. Resultant down?
−500 N
1100 N
800 N
500 N
43.
Which statement is correct?
Streamlined shapes reduce drag.
g = 1.6 N/kg on Earth.
Planets orbit due to magnetism.
Parachutes reduce drag.
44.
Which statement is correct?
Weight is measured in newtons.
Mass changes on the Moon.
Gravity needs contact.
Balanced forces change motion.
45.
True or false? At terminal velocity forces are balanced.
True
False
46.
Which is the correct definition of “Newton meter”?
Time to fall or travel.
Instrument measuring force.
Curved path around a planet or star.
Object orbiting a planet.
47.
Force needed to slide a block on surfaces. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 16
A
B
C
D
48.
Which statement is correct?
Weight is in kg.
Mass changes on the Moon.
Moon gravity is about one-sixth Earth's.
At terminal velocity you accelerate.
49.
Why does weight change between planets but mass does not?
g is different on each planet
Mass is a force
Planets change mass
Weight is in kg
50.
Weight against mass on Earth. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 17
"Weight (N)" rises to a peak at 5, then falls
"Weight (N)" increases as "Mass (kg)" increases
"Weight (N)" decreases as "Mass (kg)" increases
"Weight (N)" stays the same
  • 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 2: Forces — see every lesson and quiz in this unit.
Accepted payment methods