2.08 Friction Flashcards
1
Q
What is friction?
A
Friction is the force that tries to stop materials sliding across each other.
2
Q
What are the two types of friction?
A
Static friction or dynamic friction-
3
Q
What is static friction?
A
Static friction is the friction tht exists between a stationary object and the surface on which it’s resting.
4
Q
What is dynamic friction?
A
Dynamic or kinetic friction is friction that opposes the movement of a body which is already in motion.
5
Q
What is the difference between static and dynamic friction?
A
The magnitude of dynamic friction is less than static friction.
Dynamic friction is independent to the magnitude of applied force.