What is Friction?
Friction is the force that happens when two things rub together.
Where is friction useful?
We need friction to move about.
Where is friction not useful?
When it causes wear and tear.
How do we reduce friction?
One way is to replace sliding with rolling. Other ways is to use air cushions and by streamlining.
Friction is the force that happens when two things rub together.
Where is friction useful?
We need friction to move about.
Where is friction not useful?
When it causes wear and tear.
How do we reduce friction?
One way is to replace sliding with rolling. Other ways is to use air cushions and by streamlining.
