Chapter 4: Newton's Laws of Motion
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Key Topics
- Newton's First Law (Inertia)
- Newton's Second Law (\(\vec{F} = m\vec{a}\))
- Newton's Third Law (Action-Reaction)
- Free-body diagrams
The Three Laws
Newton's Laws
First Law: An object at rest stays at rest, and an object in motion stays in motion with constant velocity, unless acted upon by a net force.
Second Law: $\(\vec{F}_{net} = m\vec{a}\)$
Third Law: For every action, there is an equal and opposite reaction. $\(\vec{F}_{A \text{ on } B} = -\vec{F}_{B \text{ on } A}\)$