Friction Flashcards
1
Q
What are the 3 main factors effecting dry friction?
A
1) surface finish
2) materials in contact
3) force pushing the surfaces together
2
Q
What are the disadvantages of friction?
A
1) Work must be done to overcome friction
2) friction causes wear-parts to be replaced
3) friction causes heat which is expensive to remove
3
Q
What are the advantages of frictions?
A
Provides a variable force that can be utilised in:
1) clutches and brakes
2) clamping
3) drive belts
4) Tyres on road
