Chapter 4 of the Pearson Physics textbook by James S. Walker
Chapter 4.1
Numbers in physics are referred to as scalar
Vector - Quantity that is specified by both a length and a direction
Magnitude - The length of a vector
Talks about trigonometry ratios, sin cos and tan
Key takeaways:
- If the components of a vector doubles / triples then the direction still stays the same
Chapter 4.2
Resultant Vector - Result of adding 2 or more vectors