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Gravity Resources

by Ron Kurtus (revised 18 February 2016)

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



Use these resources to help your understanding of the material.

Basics of gravity

Force of Gravity - Universe Today Magazine

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

International Gravity Formula - Variation of gravity with distance from equator - Geophysics dept. University of Oklahoma

I feel 'lighter' when up a mountain but am I? - National Physics Laboratory FAQ


Vectors - Fundamentals and Operations - Physics Classroom

Basic Vector Operations - HyperPhysics

Vectors and Direction - Physics Classroom

Independence of Perpendicular Components of Motion -

Gravity constant

Acceleration Due to Gravity -

The Value of g - Physics Classroom

Acceleration Due to Gravity - Haverford College

The Acceleration of Gravity - Physics Classroom

Difference Between Pound-Force and Pound-Mass - Engineerography Blog

Weak Equivalence Principle

Test of Weak Equivalence Principle - Precision Astronomy Group of Harvard-Smithsonian Center for Astrophysics

Feather & Hammer Drop on Moon - YouTube video

Falling bodies

Falling Bodies - Physics Hypertextbook

Equations for a falling body - Wikipedia

Gravity Calculations - Earth - Calculator

Kinematic Equations and Free Fall - Physics Classroom

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

Simulated Gravity with Centripetal Force - Oswego City School District Exam Prep Center, New York

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

Projectile Motion Equations And Formulas Calculator - AJ Design Software

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


If you have other good resources on these topics, let us know.

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