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Physics | Definition, Types, Topics, Importance, & Facts | Britannica
2024年11月5日 · physics, science that deals with the structure of matter and the interactions between the fundamental constituents of the observable universe.In the broadest sense, physics (from the Greek physikos) is concerned with all aspects of nature on both the macroscopic and submicroscopic levels.Its scope of study encompasses not only the behaviour of objects under the action of given forces but also ...
Physics - Khan Academy
Learn physics with free online courses, videos, and interactive exercises on Khan Academy.
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