A-LevelPhysicsWork, energy and power9702/12 · Feb/Mar 2019 · Q151 Mark
Which statement best represents the principle of conservation of energy?
AEnergy cannot be used faster than it is created.
BThe supply of energy is limited, so energy must be conserved.
CThe total energy in a closed system is constant.
DThe total energy input to a system is equal to the useful energy output.
✓ Correct answer
C: The total energy in a closed system is constant.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Work, energy and power and see which topics are most likely to come up next.
Sign up free →