4.1.1.3 Energy Changes in Systems Flashcards
1
Q
What is the principle of conservation of energy?
A
Energy cannot be created or destroyed. It can only be transferred from one store to another usefully, stored or dissipated.
2
Q
E transfers/pathways:
A
- Mechanically –-> ask yourself is a force being applied over a distance
- Electrically
- By heating
- By radiation
