Question detail
What happens to the energy stores when a vehicle slows down?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy changes in a system, and the ways energy is stored before and after such changes
Question
- A. Kinetic energy is converted to thermal energy
- B. Potential energy is converted to kinetic energy
- C. Thermal energy is converted to gravitational potential energy
- D. Kinetic energy is converted to elastic potential energy
Answer
Kinetic energy is converted to thermal energy
Explanation
The correct option is "Kinetic energy is converted to thermal energy". Kinetic energy is converted to thermal energy is right because it directly matches Energy stores and systems: Describe energy-store changes when a vehicle slows down.. The other options are less suitable because they change the required Physics relationship, confuse the relevant energy store or use a distractor that does not answer the question.
Common mistake
Misunderstanding Energy Transfer
Students often think that energy is lost when a vehicle slows down, rather than being transferred to another energy store.
Explain that when a vehicle slows down, its kinetic energy is converted into thermal energy due to friction, which is stored in the brakes and the road.
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