1. Introduction to Physics
Physics is the study of the entire natural, or physical, world and can be subdivided into two categories:
a). Classical physics.
b). Modern physics.
It employs the scientific method of analysis, which itself is the application of a logical process of reasoning. This process entails five integral steps:
1. Observation.
2. Hypothesis.
3. Experimentation.
4. Theory or law.
5. Prediction.
“Prediction” implies that, once an accurate model of nature has been established, that its theory results in a law of physics.
From the physics perspective, the entire world is describable in terms of four fundamental parameters:
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