The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate and run a load at a required rate, and determine the braking forces ...

From Newton's Laws of Motion to electric forces, these concepts explain why matter behaves the way it does.artpartner-images/The Image Bank/Getty Images Physics is the science that quantifies reality.

Learn how basic physics can be used to estimate solar power output with simple, logical calculations. This video explains solar irradiance, energy conversion, and efficiency in a clear, intuitive ...