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- 1. Multiple Choice
How are large gears different from small gears?
no difference, they are the same
small gears turn with more force than large gears
large gears turn with more force than small gears
large gears have fewer teeth than small gears
- 2. Multiple Choice
What is torque?
a stationary force that stays still
a twisting force that causes rotation
a forward force
a backward force
- 3. Multiple Choice
Which tool would require torque to operate?
hammer
screwdriver
pliers
scissors
- 4. Multiple Choice
Which is true of a 1:3 ratio?
a large gear must turn 3 times to make a small gear turn 1 time
a small gear has to turn 4 times to make the large gear turn 1 time
a large gear has to turn 4 times to make the small gear turn 1 time
a small gear has to turn 3 times to make the large gear turn 1 time
- 5. Multiple Choice
Which best describes the relationship between a small gear with 8 teeth and a large gear with 40 teeth?
1:5 ratio
1:40 ratio
1:8 ratio
1:1 ratio
- 6. Multiple Choice
What is a fulcrum?
the board you use for the lever
the point at which a lever pivots
the top of the lever
the board
- 7. Multiple Choice
When discussing simple machines, what is effort?
a type of simple machine
the force you apply to move an object
what the simple machine is lifting
the point where the lever pivots
- 8. Multiple Choice
What is an example of a lever in the real world?
ski slope
wheels on a car
seesaw
kitchen table
- 9. Multiple Choice
What best describes what a load is?
a type of simple machine
an example of a lever
what you are trying to lift
the effort
- 10. Multiple Choice
Which statement is true?
As you increase distance, your effort must increase.
As you increase distance, your effort can decrease.
As you decrease distance, your effort must decrease.
Effort and distance always stay the same, no matter what you do.
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