Energy as a physical magnitude:
Energy is a crucial physical magnitude which takes time to understand:
Watch this film and answer the questions:
- What is energy
- What forms of energy exist? List them?
- Tell examples of different usages of energy during the trip. (think of objects and persons involved)
- How do they define sources of energy?
- List examples of sources of energy you see in the film and what this source of energy is used to
- According to the video, does energy dissapear? What happens to it?
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