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Gravity Resources

by Ron Kurtus (revised 3 March 2023)

The following material consists of website and book resources on gravity.



Use these resources to help your understanding of the material.

Basics of gravity

Earth's gravity - Wikipedia

How does gravity work? - How Stuff Works

Standard gravity - Average value, as compared to variation due to position on Earth - Wikipedia


Vectors - Fundamentals and Operations - Physics Classroom

Basic Vector Operations - HyperPhysics

Vectors and Direction - Physics Classroom

Independence of Perpendicular Components -

Gravity constant

The Value of "g" - Physics Classroom

The Acceleration of Gravity - Physics Classroom

Falling bodies

Falling Bodies - Physics Hypertextbook

Equations for a falling body - Wikipedia

Gravity Calculations - Earth - Calculator

Kinematic Equations and Free Fall - Physics Classroom

Feather & Hammer Drop on Moon - YouTube video

Work and gravity

Work by gravity by Sunil Kumar Singh - Connexions

Gravity and Inertia in Running - Locomotion and Biology paper (PDF)

Artificial gravity

Artificial gravity - Wikipedia

Simulating Gravity in Space - From Batesville, Indiana HS Physics class

Artificial Gravity and the Architecture of Orbital Habitats - Theodore W. Hall - Space Future; detailed technical paper

Artificial Gravity - Technical resources from Theodore W. Hall -

The Physics of Artificial Gravity - Popular Science magazine

Newton's Cannon

Newton's Cannonball and the Speed of Orbiting Objects - Bucknell University Physics

Newton's cannonball - Wikipedia

Artillery projectile

Trajectories - Hyperphysics

Projectile Motion - Wikipedia

Trajectory of a projectile - Wikipedia

Characteristics of a Projectile's Trajectory - Physics Classroom


Top-rated books on Simple Gravity Science

Top-rated books on Advanced Gravity Physics

Reinventing Gravity: A Physicist Goes Beyond Einstein by John W. Moffat; Smithsonian (2008) $27.95

Head First Physics: A learner's companion to mechanics and practical physics by Heather Lang; O'Reilly Media (2008) $29.99

Gravity: An Introduction to Einstein's General Relativity by J. B. Hartle; Benjamin Cummings (2003) $84.00

Physical Science textbooks

Conceptual Physical Science - Chapter 4 Gravity and Satellite Motion by Paul G. Hewitt, John Suchocki and Leslie A. Hewitt, Addison-Wesley Longman (2004); $87

Physical Science: A Unified Approach - Chapter 5 Motion and Gravity by Jerry Schad, San Diego Mesa College, Brooks/Cole Publishing Co. (1995); $215

Physics textbooks

Physics: Algebra/Trig - Chapter 5 Centripetal Force and Gravity by Eugene Hecht, Adelphi University; Brooks/Cole Publishing (2002) $239

Physics: Principles with Applications - Chapter 5 Circular Motion and Gravitation by Douglas C. Giancoli, Prentice Hall (2004) $199

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Gravity topics

Gravity Resources

Gravity and Gravitation

Gravity topics


Derivations of equations

Falling objects

Projected downward

Projected upward

Gravity and energy

Gravity and work

Effects of gravity

Gravity applications


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