101110 - 9 Physics 121 Phys 121 11/10/10 Prof. E. F. Redish...

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Phys 121 11/10/10 Prof. E. F. Redish 1 11/10/10 1 Physics 121 11/10/10 2 Physics 121 8.1 8.2 8.3 a 0% 1 18% a=b>c=d 46% b 61% 2 20% b>c>a>d 12% c 27% 3 22% b>a=c>d 11% d 8% 4 26% e 2% 5 12% n 1% 6 1% 11/10/10 3 Physics 121
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Phys 121 11/10/10 Prof. E. F. Redish 2 11/10/10 4 Physics 121 10/31/08 5 Physics 121 10/31/08 6 Physics 121 N N N N rod->B B->rod R->rod rod->R 0 = + + + + = + + + = = = ± ± ± ± ± ± ± ± B B R R B rod rod B rod R R rod rod rod B B R R rod B rod R rod rod B rod B B R rod R R a m a m N N N N a m a m a m N N a m N a m N a m ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±
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Phys 121 11/10/10 Prof. E. F. Redish 3 10/31/08 7 Physics 121 constant 0 ) ( 0 0 = + = ± + ± = ± ± + ± ± = + B B R R B B R R B B R R B B R R v m v m t v m v m t v m t v m a m a m ± ± ± ± ± ± ± ± B R B B R R B B R R B B R R B B R R m m r m r m R t R M v m v m t r m t r m v m v m + + = ± ± = + ± ± + ± ± = + ± ± ± ± ± ± ± ± ± ± 10/31/08 8 Physics 121 ± = = + + + = n i i i r M m r M m r M m r M m R 1 3 3 2 2 1 1 ... ± ± ± ± ± 11/10/10
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Unformatted text preview: 9 Physics 121 Phys 121 11/10/10 Prof. E. F. Redish 4 11/10/10 10 Physics 121 W F L d FL = Wd 11/10/10 11 Physics 121 W F 11/10/10 12 Physics 121 W F F R Phys 121 11/10/10 Prof. E. F. Redish 5 11/10/10 13 Physics 121 sin FR R F = = F R F F 11/10/10 14 Physics 121 sin FR R F = = F R F F 11/10/10 15 Physics 121 F R = Phys 121 11/10/10 Prof. E. F. Redish 6 11/10/10 16 Physics 121 11/10/10 22 Physics 121 right left down up net F F F F F = = = net = 0 clockwise = counter-clockwise...
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This note was uploaded on 12/28/2011 for the course PHYSICS 121 taught by Professor Shawhan during the Spring '10 term at Maryland.

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101110 - 9 Physics 121 Phys 121 11/10/10 Prof. E. F. Redish...

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