Circular and Satellite Motion

The Velocity and Acceleration Video Tutorial reviews the concepts of speed, velocity, and acceleration and discusses their application to the understanding of objects moving in circles or along curved paths. The vector nature of velocity and acceleration are discussed. The means of calculating these quantities is detailed. Numerous examples, illustrations, and animations assist in the explanations.

The Centripetal Force Requirement Video Tutorial explains what is meant by a centripetal force and why a centripetal force is required to sustain a circular motion. Numerous examples, illustrations, demonstrations, and animations assist in the explanations.

The Inertia and Circular Motion Video Tutorial utilizes the concept of inertia and Newton's first law to explain why a person making a high-speed turn experiences a sensation of being pulled outward and away from the center of the circle. Numerous examples, illustrations, animations, and demonstrations assist in the explanations.

The Mathematics of Circular Motion Video Tutorial describes the equations that can be used to determine the speed, acceleration, and net force experienced by objects moving in circles. Five examples of the use of the equations are discussed.

The Newton's Second Law Video Tutorial uses five example problems to demonstrate the use of a free-body diagram, Newton's second law, and circular motion equations to solve a problem related to an object moving in a circle.

The Physics of Roller Coasters Video Tutorial explains the physics that underlies the thrill of a roller coaster ride. The focus of the discussion and illustrations are on the curved sections of the track such as the clothoid loops and the small hills and dips. Numerous examples, illustrations, and animations assist in the explanations.

The The Apple and the Moon Video Tutorial explains how Newton derived his argument that gravity was the force that holds the moon in orbit. The inverse square law is introduced and the idea of the universal nature of gravity is emphasized. Numerous examples, illustrations, and animations assist in the explanations.

The Law of Universal Gravitation Video Tutorial describes the Universal Gravitation equation and explains how to use it to solve a variety of problems. Includes four example problems.

The Value of g Video Tutorial shows how the Law of Universal Gravitation is used to derive an equation for calculating the value of the gravitational field strength. The variables affecting g are discussed and the equation is used in several contexts to calculate a g value.

The Keplers Three Laws of Planetary Motion Video Tutorial describes Kepler's findings regarding the motion of planets about the sun. Special attention is given to the third law - the Law of Harmonies.. Numerous examples, illustrations, and animations assist in the explanations.

The Satellite Motion Principles Video Tutorial explains how fundamental circular motion principles can be applied to understand what a satellite is and what its motion characteristics are.

The Satellite Motion Mathematics Video Tutorial describes the physics formulas used to analyze the motion of a satellite.Three numerical examples of their use are provided.

The Weightlessness in Orbit Video Tutorial explains the meaning of the term weightlessness​ and identifies the cause of weightlessness. The variety of learner misconceptions associated with the topic are addressed. Numerous examples, illustrations, and animations assist in the explanations.