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What is density?

What is Density? – Fluid Mechanics Explained In this short but powerful lesson, we break down one of the most fundamental concepts in fluid mechanics: density. You'll learn what density really means, how it's defined, and why it matters in the behavior of fluids. To bring the concept to life, I’ll walk you through a simple yet effective experiment using oil and water—and explain exactly why oil floats. This isn't just theory; it’s the foundation for understanding real-world fluid behavior in hydraulics, engineering, and beyond. Whether you're a student, engineer, or just curious about how fluids work, this video will make the idea of density clear and memorable. 👉 Don’t forget to subscribe if you want to keep learning more about fluid mechanics step-by-step. 📚 Link to the course https://www.udemy.com/course/fluid-me... 📚 Link to all our courses https://www.udemy.com/user/engineerin...