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.

This course examines energy as a fundamental concept in physics and an essential element of human society. Basic principles of energy conservation and transformation are developed to understand ...

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 ...