Reducing energy loss - insulation / lubrication / aerodynamics Flashcards
1
Q
How is unwanted energy loss reduced in homes?
A
Home is sealed closed eg foam seals, thick walls, double glazed windows
2
Q
What is friction?
A
resistance an object encounters when moving over a solid / through a liquid
3
Q
How do you reduce friction?
A
Adding oil / Making cars + planes streamlined
4
Q
What is the effect of having thick walls in homes to reduce energy loss?
A
It means a lower thermal conductivity
