What does the law of conservation of energy state?
Answer and explanation
Correct answer: A. Energy can be transferred but not created or destroyed
- Step 1: The total energy of an isolated system is constant.
Answer
Energy can be transferred but not created or destroyed.
Why not the others: Energy is used up as work is done: energy is conserved; Energy can be created in a machine: this is impossible; Energy only exists as heat: energy has many forms.
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