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WorksheetsGEARS
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
Gears are sometimes called
a)
COGS
b)
WHEELS
2.
MOST gears are
a)
Wheels
b)
Cylinders
c)
Both, wheels & cylinders
d)
I don't know
3.
Simple machine that transfers motion from one part of the machine to another
a)
Inclined Plane
b)
Gears
c)
Pulley
d)
All of them
4.
BIG gears are used for
a)
More turning power (torque)
b)
More rotational speed
5.
LITTLE gears are used for
a)
More turning power (torque)
b)
More rotational speed
6.
Engineers often pair little gears with big gears to
a)
Increase speed
b)
Increase torque
7.
The larger the radius, the ______ force a turning wheel has
a)
MORE
b)
LESS
8.
Gears spin in
a)
Opposite direction
b)
Same direction
9.
If you were to increase the rotational speed of a fan you would
a)
Use a gear train with progressively SMALLER gears
b)
Use a gear train with progressively BIGGER gears
10.
Some gears are not wheels or cylinders.
a)
TRUE
b)
FALSE
11.
How many times does the little gear has to turn in a gear train with a big gear of 72 teeth and a little gear of 12?
a)
6 times
b)
4 times
c)
3 times
d)
I don't know
12.
What is the gear ratio of a gear train with a big gear of 48 teeth and a little gear of 12 teeth?
a)
1:4
b)
1:3
13.
What does a 1:6 gear ratio mean?
a)
It means the small gear has to turn 6 times to turn the big gear once.
b)
It means the big gear has to turn 6 times to turn the small gear once.
14.
Which of the following DOES NOT use gears?
a)
IPHONE
b)
CAR
c)
TRAIN
d)
CLOCK
15.
Which of these use gears?
a)
Car window
b)
Bicycle
c)
Car
d)
ALL of them
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