Friction Flashcards
1
Q
What is friction
A
A force that resists movement because of contact between surfaces
2
Q
What does friction do
A
It opposes motion
3
Q
Is it always useful
A
No
4
Q
Is it always not useful
A
No
5
Q
How do you reduce friction
A
Lubrication
6
Q
What is lubrication
A
The process of using a lubricant to reduce friction
7
Q
What is another way to reduce friction
A
Streamlining
8
Q
What is streamlining
A
The process of designing a new shape which reduces friction
