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- 1. Multiple Choice
The unit for measuring Force (named after a famous Scientist)
Tesla
Newton
Neutron
Sheldon
- 2. Multiple Choice
In physics, a force is defined as...
A hop, skip and jump
A push or pull
A hit or a swing
What gives a Jedi his power
- 3. Multiple Choice
Which of the following is a contact force?
Magnetic
Friction
Electrical
Gravitational
- 4. Multiple Choice
A bar magnet has a magnetic field around it. The field lines are shown without arrows. In which direction should the arrows on the lines be pointing?
Up
Down
Out of the North pole, in to the South pol
Out of the South pole, into the North pole
- 5. Multiple Choice
Given this arrangement of magnets, in which case/s would the magnets REPEL each other?
B only
B and C
A and C
A only
- 6. Multiple Choice
True or False: My weight on Jupiter is the same as my weight on Earth?
True
False
- 7. Multiple Choice
Which of the forces in this image is the smallest?
A
B
C
D
E
- 8. Multiple Choice
True or false: 1 kilogram of feathers on Earth has the same mass as 1 kilogram of feathers on the moon?
True
False
- 9. Multiple Choice
The girl's hair is attracted to the balloons because of which force?
Electrostatic
Magnetic
Friction
Buoyancy
- 10. Multiple Choice
What is the electric charge of an electron?
neutral
positive
affirmative
negative
- 11. Multiple Choice
Are the forces exerted by the cats balanced or unbalanced?
Balanced
Unbalanced
- 12. Multiple Choice
In this force diagram, which way will the van move?
Upward
To the left
To the right
Downward
- 13. Multiple Choice
This book is resting on the table. Which two forces are acting on the book?
Gravitational up and electrical down
Gravitational down and table up
Magnetic up and electrical down
Friction down and gravitational down
- 14. Multiple Choice
In which force diagram would the car slow down?
A
B
C
- 15. Multiple Choice
What is the force pair when using a spring balance?
Weight pulling up and gravity pulling down
Hand pulling up and spring pulling down
Spring pulling up and weight pulling down
Hand pulling down and weight pulling down
- 16. Multiple Choice
Which of the following is NOT a way to reduce friction?
Use balls or wheels
Spray the surface with oil or grease
Hovering an object so the surfaces don't touch
Add more weight
- 17. Multiple Choice
What are the forces acting on a plane in flight?
Wing, Cabin, Wheels, Engine
Lift, Thrust, Acceleration, Mass
Lift, Thrust, Drag, Weight
Buoyancy, Drag, Air Resistance, Surface Tension
- 18. Multiple Choice
I am a contact force that can only cause an object to slow down
Thrust
Friction
Tension
Magnetic
- 19. Multiple Choice
My weight on Mars is less than my weight on Earth because
Mars is made of iron
Earth has a large magnetic field
Earth has more mass than Mars
Mars has a smaller radius than Earth
- 20. Multiple Choice
Why is it harder for the man to push the box in the picture above?
because the top box has a smaller friction force
because the top box has less drag force
because the top box has a larger friction force
because the top box is slippery from his sweat
- 21. Multiple Choice
The truck will topple over because...
The truck is green
The truck's centre of mass lies outside its base
The truck's centre of mass lies above its base
The arrow says so
- 22. Multiple Choice
The feather falls slower than the hammer because...
the man threw the hammer down
the feather has less surface area
the hammer has more drag
the feather has more air resistance
- 23. Multiple Choice
This image represents
the Sun
Earth's atmosphere
Earth's gravitational field lines
- 24. Multiple Choice
Select the incorrect response about magnets:
All magnets have a north and a south pole
All magnets are permanent
The north pole of one magnet is attracted to the south pole of another magnet
The north pole of one magnet will be repelled by the north pole of a second magnet
- 25. Multiple Choice
When I walked across some carpet then touched a door handle I got a small shock. This happened because...
I had a slight positive charge
Electrons went from the door handle to my hand
Electrons rubbed off the carpet onto my body
- 26. Multiple Choice
The fulcrum in a stapler is at the end. The effort is at the other end. This means it is what type of lever?
first class lever
second class lever
third class lever
fourth class lever
- 27. Multiple Choice
A wheelbarrow is a second class lever. The wheels are on a wheelbarrow because:
All second class levers have wheels
Wheels roll over a surface which means less friction
Wheels roll over a surface which means more friction
Wheels increase the effort force
- 28. Multiple Choice
An egg beater is an example of which of the following types of simple machines?
speed multiplier
force multiplier
speed and force multipler
direction changer
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