Conservation energy Flashcards
1
Q
Energy cannot be..
A
Created or destroyed.
2
Q
What does conservation of energy apply to?
A
It applies to all energy changes.
3
Q
What is a closed system?
A
A closed system is an isolated system in which no energy transfers take place out of or into the energy stores of the system.
4
Q
Can energy be transferred between energy stores within a closed system?
A
Yes, they can.
5
Q
Does the total energy of the system change?
A
It is always the same, before and after any such transfers.