
Physics in Cycling: Levers and Gears
Authored by Alan Jaf
Chemistry
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main problem discussed in the video?
How to get to the top of a hill
How to cycle faster on flat roads
How to cycle downhill safely
How to maintain a bicycle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the moment of a force depend on?
The speed of the object
The material of the object
The size of the force and the distance from the pivot
The color of the object
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a door handle placed far from the hinges?
To decrease the moment of the force
To increase the moment of the force
To make the door look better
To balance the door
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are levers sometimes called?
Weight balancers
Speed increasers
Force multipliers
Force reducers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do gears use to make work easier?
Moments
Gravity
Friction
Electricity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the driver gear in a gear system?
It follows the driven gears
It is powered to turn the other gears
It does not move
It only moves in one direction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do gears help when cycling uphill?
By increasing the speed
By decreasing the distance
By making the bike heavier
By reducing the force needed
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