3.4 Potential Energy

Pre-reading question: Watch the video below, and answer this question: How does the “Magic Rollback Can” work?

Video:

Potential Energy:

Spring Potential energy:

Gravitational Potential Energy:

Textbook reading: This may seem like a strange reading assignment, but the three items in the margin of page 222 contain more useful information that the section on Potential Energy itself.  So take a look at figure 8-7 and its caption, the problem-solving note and the figure at the bottom with its caption.

Post-reading question: Conceptual question 1 on page 243.

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