Friction Flashcards
1
Q
What are the 4 types of friction?
A
Sliding Friction, Rolling Friction, Fluid Friction and Static Friction
2
Q
Define Sliding Friction
A
The resistance when 2 objects are sliding against one another
[eg. Ice skating]
3
Q
Define Rolling Friction
A
When something is slowed when rolling
[eg. bowling ball]
4
Q
Why is friction necessary?
A
It is a force that both helps stop and start motion
5
Q
Define Fluid Friction
A
The friction caused by air or water resistance
[eg. golf ball in air]
6
Q
Define Static Friction
A
The initial friction when moving an object