Energy Stores and Systems Flashcards
1
Q
Name all of the energy stores?
A
- Thermal
- Kinetic
- Gravitational Potential
- Elastic Potential
- Chemical
- Magnetic
- Electrostatic
- Nuclear
2
Q
How is energy transferred?
A
- Mechanically (Work Done)
- Electrically (Moving Charges)
- Heating
- Radiation
- Between energy stores
3
Q
What is a system?
A
A single/group of objects you’re interested in
4
Q
What happens when a system changes?
A
Energy is transferred into/away from the system, between 2 objects, or between 2 stores
5
Q
What is a closed system?
A
A system where neither matter nor energy can enter/leave
6
Q
What is the net change in a closed system?
A
The net change in the total energy of a closed system is always 0
7
Q
What does dissipated mean?
A
to lose energy over time
8
Q
What is the principle of conservation of energy?
A
The total energy of an isolated system remains constant
