- #1
chops369
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Homework Statement
Here are a couple of conceptual questions from my cumulative review.
1. Is energy released or absorbed when a gas changes to a liquid?
2. If a yo-yo is being whirled around by its string in a vertical circle, does the string apply an outward force or an inward force?
Homework Equations
N/A
The Attempt at a Solution
I think that energy is released when a gas changes to a liquid, and I believe that the string is applying an inward force.