conservation of energy and power Flashcards
1
Q
conservation of energy definition
A
energy can be transferred usefully, store or dissipated, but can never be created or destroyed
2
Q
what is a closed system?
A
a system in which energy can not enter or leave
3
Q
what can you say about energy transfers in a closed system?
A
there is no net change in the total energy
4
Q
what is dissipated energy?
A
energy that has been transferred to a less useful store
