conservation of energy - Sp3 Flashcards
1
Q
What does conservation of energy mean?
A
energy is never created nor destroyed
2
Q
how do you know the energy of a system is open?
A
the energy increases or decreases
3
Q
how can it be explained that energy is conserved?
A
the same amount of energy input into an action is the same as the output, regardless of the change of stores
