What is a wheel with teeth called?

Understanding Gears and Gear Trains

Interactive Video
•
Physics
•
9th - 12th Grade
•
Medium
Nicholas Riemann
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pulley
Axle
Lever
Gear
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a gear train, what is the gear called that you turn?
Follower gear
Driver gear
Intermediate gear
Idler gear
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the follower gear when the driver gear is turned clockwise?
It turns clockwise
It moves up and down
It turns anti-clockwise
It stops
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an idler gear in a gear train?
To change direction
To make the follower gear rotate in the same direction as the driver gear
To reduce force
To increase speed
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a larger gear turns a smaller gear, what happens to the speed of the smaller gear?
It turns slower
It turns at the same speed
It turns faster
It stops
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a driver gear has 20 teeth and the follower gear has 10 teeth, what is the gear ratio?
1:1
1:2
2:1
1:3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does it become harder to pedal when you switch to a lower gear on a bicycle?
Because the follower gear is larger
Because the follower gear is smaller
Because the driver gear is smaller
Because the driver gear is larger
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