Friction Flashcards
1
Q
When is friction helpful
A
- Friction between our shoes and the floor stop is from slipping
- Friction between the tyres and the road stops cars from skidding
2
Q
When is friction unhelpful
A
- If you don’t lubricate your bike regularly with the oil the friction in the chain and axles increases and the bike will become noisy and difficult to pedal
3
Q
What is friction
A
A force which acts in the opposite direction to the movement
