W5.1 - Physics for Scientists & Engineers 1 Spring...

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February 4, 2008 Physics for Scientists&Engineers 1 1 Physics for Scientists & Physics for Scientists & Engineers 1 Engineers 1 Spring Semester 2008 Lecture 16
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February 4, 2008 Physics for Scientists&Engineers 1 2 Midterm Exam 1 Midterm Exam 1 Next Monday (February 11), we will have our first midterm exam in class The exam will cover chapters 1-5, homework sets 1- 5, and all the lectures through Friday You need to bring A calculator A No. 2 pencil to fill out the scantron form 1 sheet of size 8.5 x 11 in., with equations (“cheat sheet”) Nothing else There will be a chart showing you which row to sit in by alphabetical order
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February 4, 2008 Physics for Scientists&Engineers 1 3 Tribology Tribology - Science of Friction - Science of Friction Microscopic origin of friction is still under active discussion and intense research Atomic force microscopes (AFM) measure the forces between individual atoms on the surface of samples Very sharp tip is dragged across surface and measures mechanical resistance Measure forces as as small as 10 -11 N = 10 pN
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W5.1 - Physics for Scientists & Engineers 1 Spring...

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