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Motion and Stability (Forces and Motion (Force (the push or pull of an…

- - - - attractive forces
      - force that attracts any two objects with mass
      - forces usually too small, unless massive objects (like earth!)
  - - - nuclear sizes, stability, rates of radioactive decay
    - - relevant to forces inside atomic nuclei (micro!)
- - - - any small change leads to forces that increase change in forces- does not return to prior system (ex- ball rolling from top to bottom)
    - - internal and external forces return system to it's original state
      - can be stable, but changing (ex- Earth orbiting sun)
      - maintained by feedback mechanisms
    - - has active forces
    - - has inactive forces- no motion