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11. Weight and the normal force: Forces for courses

Chapter 11. Weight and the normal force: Forces for courses

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Sometimes you have to make a statement forcefully. In this chapter, you’ll work out Newton’s 2nd Law from what you already know about momentum conservation to wind up with the key equation, F net = m a. Once you combine this with spotting Newton’s 3rd Law force pairs, and drawing free body diagrams, you’ll be able to deal with (just about) anything. You’ll also learn about why mass and weight aren’t the same thing, and get used to using the normal force to support your arguments.


  

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