Friction Notes Flashcards
(4 cards)
1
Q
True or false;
Friction is a part of our daily life
A
True
2
Q
What are the 3 advantages of friction
A
- Helps us avoid slipping
- Holds nails in place
- Helps us hold objects and gives us a grip
3
Q
What are the 3 disadvantages of friction
A
- Wastes energy on heat
- Produces noise in machines
- Need to exert more power in machines
4
Q
What are 4 ways of reducing friction
A
Lubricants, Grease, Ball bearing, Design modification