FHSST Physics/Vectors/Importance

The Free High School Science Texts: A Textbook for High School Students Studying Physics.
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Vectors
PGCE Comments - TO DO LIST - Introduction - Examples - Mathematical Properties - Addition - Components - Importance - Important Quantities, Equations, and Concepts

Do I really need to learn about vectors? Are they really useful?

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Vectors are essential to do physics. Absolutely essential. This is an important warning. If something is essential we had better stop for a moment and make sure we understand it properly.