Segment 3G: Circular Motion We explore the concept of circular motion. Segment 3G: Circular Motion We travel to an amusement park to explore circular motion. We work through an example problem and ...

Why study physics, you ask? Scroll down, friend. This video of a guy rolling through a 360-degree vertical loop at a skatepark—cool as ice, with no helmet—is answer enough. Clearly, his understanding ...

When an object changes velocity, it accelerates. Acceleration is the change in velocity per second and is measured in m/s 2. Acceleration is a vector quantity because it has size and direction. The ...