Energy Flashcards
1
Q
Name the types of energy stores
A
Kinetic, thermal, nuclear, electrical, magnetic, elastic, gravitational, light, chemical
2
Q
What is a system
A
A group of objects that when the system changes energy is transferred
3
Q
Elastic equation
A
1/2 x spring constant x extension2
4
Q
How to reduce unwanted energy transfer
A
- loft insulation
- double glazing
- lubrication
5
Q
What does 1 watt mean
A
An energy transfer of 1 joule per second
6
Q
Thermal energy equation
A
Mass x change in temp x SHC
