110404 - Prof. E. F. Redish 4/4/11 4/4/11 Physics 122 1...

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Prof. E. F. Redish 4/4/11 Physics 122 1 4/4/11 1 Physics 122 4/4/11 2 Physics 122 4/4/11 3 Physics 122
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Prof. E. F. Redish 4/4/11 Physics 122 2 4/4/11 6 Physics 122 4/4/11 7 Physics 122 4/4/11 8 Physics 122 ± ± Fm g Em = grav. field of earth = ± ± F m g =
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Prof. E. F. Redish 4/4/11 Physics 122 3 4/4/11 9 ± E ( ± r ) = F ± F q = q ± E ( ± r ) (test charge q placed at the point ± r ) 4/4/11 Physics 122 ± g = ± F acting on m m ± E = ± F acting on q q Field is the value at a position in space “ r “ assuming that the force is measured by placing the object at . 4/4/11 12 Physics 122
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Prof. E. F. Redish 4/4/11 Physics 122 4 4/4/11 13 Physics 122 Field vectors Field lines Careful! Field lines follow the direction of the field. They do NOT follow the magnitude. 4/4/11 14 Physics 122 Field lines for a dipole (colored by strength) 4/4/11
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This note was uploaded on 12/28/2011 for the course PHYSICS 122 taught by Professor Bhagat during the Fall '11 term at Maryland.

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110404 - Prof. E. F. Redish 4/4/11 4/4/11 Physics 122 1...

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