- Orbital Mechanics - (Newton's Law of Universal Gravity and Kepler's Planetary Laws) Objectives Worksheet Collection (Web Page) Worksheet Collection (Acrobat File) Special Inverse Square Worksheet Notes (Web Page) Notes (Acrobat File) Some selected answers to problems. Animation Used in Class Lecture Kepler's Laws Presentation Includes example problems. Newton's Universal Law of Gravity Presentation Includes the inverse square law, universal gravity and solved examples when applying this to orbital motion. Online Pre-Test Remember this is only a sampling of the test questions.   Some answers to selected worksheet problems. Reading and Questions: Newton's Law of Universal Gravity Reading and Questions: "Towards Understanding Gravity" Mastery Assignment

by Tony Wayne

by Tony Wayne ...(If you are a teacher, please feel free to use these resources in your teaching.)