Multiple choice

The energy stored in a watch spring is ______.

  1. kinetic energy

  2. potential energy

  3. heat energy

  4. chemical energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A watch spring stores energy as potential energy when it is wound up. As the spring unwinds, this stored potential energy is converted into kinetic energy that drives the watch mechanism. This is a classic example of elastic potential energy in mechanical systems.

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