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A brief introduction to physics. Watch an introduction video 9:. Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, physics, and other concepts in lots of different physical situations.
To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry. Preparing to study physics. In most physics courses, you'll need a bit of math to succeed.
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