1.2 conservation of energy Flashcards
1
Q
How is energy created?
A
Energy cannot be created or destroyed
2
Q
What energy changes does conservation of energy apply to?
A
Conservation of energy applies to all energy changes
3
Q
What is a closed system?
A
The close system is a system in which no energy transfers take place out of or into the energy stores of the system
4
Q
Can energy be transferred within a closed system?
A
Energy can be transferred between energy stores within a close system. The total energy of the system is always the same before and after any such transfers.