|| Back to Lectures || A. Introduction) || B. Measurements || C. Motion of sky || D. Motion of Sun || E. Moon || F.History || G. Motion || H. Newton's laws || I. Gravity || J. Work-Energy || K. Electricity-Waves || L. Gas laws || The End ||

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Physics References 1) Encyclopedia 2) Physical Science 33) Physics For Beginners 44)) Physics Tutorial

a) Illustrations(1) Universal Law of Gravity (2) More on Gravity (3) And more (4) Gravity with pictures (5) Gravity with math (6) Simulated Gravity with Centripetal Force (7) g near the Earth surface (8) Determination of g near the earth surface (9) Determination of mass of the Earth (10) Near Earth Gravitation (11) Gravity (12) Free fall and Terminal Velocity (13) Gravity and weightlessness (14) Explains Center seeking acceleration (15) Centripetal acceleration (16) Example (16) Free fall of Moon toward Earth