
Newton's Universal Law of Gravitation Introduction  The Big G Equation (7:19)
Understanding Newton’s Universal Law of Gravitation. Including a dramatization of The Cavendish Experiment and force visualization via qualitative examples. This is an AP Physics 1 topic.
Content Times: 0:11 Reviewing the standard Force of Gravity or Weight equation 0:56 Newton’s Universal Law of Gravitation 1:48 Defining r 2:47 The Cavendish Experiment 3:52 Visualizing qualitative examples 5:59 When to use the two Force of Gravity equations 

 An interesting point: According to The University of Oxford Department of Physics, "Cavendish used the balance in 1798 and measured the mean density of the earth at 5.48g/cm3. This implied that G was 6.754x1011m3s2kg1 although Cavendish did not derive it." Therefore Cavendish actually never calculated G. I apologize for this oversight! Thank you to Dan Burns for pointing out this error.
 Thank you to Bronson Hoover of dnbstudios for letting me use his original composition Bèke as Henry Cavendish’s music.
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 Thank you to Scott Carter, Jonathan Everett, and Christopher Becke for being my Quality Control team for this video.
 Thank you to Youssef Nasr for transcribing the English subtitles of this video.
