conservation of energy
Energy can change form but total energy remains constant in an isolated system. This topic is part of Physics within Science & Nature. This page currently draws on 5 supporting questions, with answers and bonus facts available below.
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conservation of energy trivia questions
The law of conservation of energy says energy cannot be created or what?
Answer: Destroyed
Bonus fact: Energy can change form but total energy remains constant in an isolated system.
When a falling object's potential energy decreases, what generally increases?
Answer: Kinetic energy
Bonus fact: Energy transforms from gravitational potential to motion.
In real machines, some useful mechanical energy often becomes what because of friction?
Answer: Thermal energy
Bonus fact: Total energy is still conserved.
What principle states that energy cannot be created or destroyed, only transformed or transferred?
Answer: Conservation of energy
Bonus fact: The conservation of energy is a fundamental principle of physics.
Which law of thermodynamics states that energy cannot be created or destroyed?
Answer: First law
Bonus fact: The first law expresses conservation of energy.