Chapter 2-conservation Of Energy Flashcards
1
Q
Can energy be lost?
A
Energy cannot be created or destroyed it just lingers in its surroundings.
2
Q
What does conservation of energy apply to?
A
It applies to all energy changes, regardless of which type of energy.
3
Q
What is meant by a closed system?
A
A closed system is a system where no energy transfers take place out of or into the energy stores of the system.
4
Q
How can energy be transferred?
A
Energy can be transferred between energy stores within a closed system. The total energy of the system is always the same, before and after, any such transfers.
