AP Physics 1: Introduction

Introduction Lessons / Tutorials
    • AP Physics 1: Introduction 1: standard units & unit and dimensional analysis


    • AP Physics 1: Introduction 2: Proportion

 
P.S. The strength of bones is not really only proportional to the thickness of the bones. I guess that is why we can strengthen our bones by lifting weights and eating nutritious foods. And the strength of the legs is not necessarily proportional to the weight of the animal either, because an elephant does not have to run or jump like a horse. And a horse does not have to be able to carry load many times (10 to 50 times?) its own weight like an ant.
If you are interested in this topic, you may enjoy watching the lecture by MIT Professor of Physics Emeritus Walter Lewin on Youtube: Lec 1 | 8.01 Physics I: Classical Mechanics, Fall 1999 at http://www.youtube.com/watch?v=PmJV8CHIqFc  (The part goes from 11:10 to 22:15.) (Update: MIT indefinitely removes online physics lectures and courses by Walter Lewin for good reasons. However, you can still watch this video at https://www.youtube.com/watch?v=X9c0MRooBzQ . I place this link here because I cannot find anything with equivalent or better quality (in terms of physics content). I do not condone Lewin's terrible behavior. For your safety, students should not contact Lewin in any way.) 

      Please feel free to embed my videos at your website. 
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