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Introductory Physics Homework Help
Understanding Gravitational Field Lines Between Two Objects
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[QUOTE="SammyS, post: 5129348, member: 295898"] This is the electric field image you mentioned: [ATTACH=full]178925[/ATTACH] [B]Alettix[/B] has basically a good idea in that you might consider electric field lines for a case in which point charges in an electric field will behave in a manner analogous to the behavior of point masses in a gravitational field. However, her suggestion to look at the field lines produced by opposite charges may not be what is needed. This analogy is complicated by the fact that mass has no sign. All mass force is attractive. How do you determine the direction of a force field? Place a test charge (or test mass) at some location and determine the direction of the force exerted on or test charge (or mass) . We are not particularly interested in whether the two objects producing the field attract each other or repel each other. Show that the two proposed configurations are not analogous. How can that be rectified? [/QUOTE]
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Understanding Gravitational Field Lines Between Two Objects
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