Introduction - Introduction The study of physics is the...

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Introduction The study of physics is the study of the world around us. As with all sciences, physics operates by making an observation of some phenomenon, creating a model which describes the phenomenon, and then predicting new observations based on this model. These new observations lead to new or improved models which continue the cycle. The observations are carried out in a series of experiments, in which as many of the parameters that affect the observation are measured or controlled as possible. The model is called a theory, and in physics it is based on mathematics. It should be emphasized that the model is just a description which describes the expected results of an observation. A model may or may not describe the way nature operates. As long as the model continues to explain the observed universe in a consistent manner, the theory remains valid. If a new experiment is done which can not be explained by a theory, a new theory is required which will explain all of the previous experiments, as well as the new observations. Similarly, if a new theory is developed which predicts a new observation, or which explains the old observations in a simpler manner, then that theory may replace the older one. Steps to Solving Problems
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Introduction - Introduction The study of physics is the...

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