Sal finishes the calculation or work to determine the mechanical advantage in a U-shaped tube. He also explains pressure and Pascal’s Principal. Created by Sal Khan.
Physics on Khan Academy: 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, energy, 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.
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