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Physics 21 Online
OpenStudy (anonymous):

Question

OpenStudy (anonymous):

OpenStudy (anonymous):

@experimentX

OpenStudy (experimentx):

this is same force exerted by sphere on rod ... by symmetry of G force

OpenStudy (anonymous):

I'll draw it

OpenStudy (anonymous):

|dw:1362474851245:dw|

OpenStudy (anonymous):

do we assume that either one has charge? or do I think of it as gravitational attractions of planets?

OpenStudy (anonymous):

\[F_g=\frac{GMm}{r^2}\]

OpenStudy (anonymous):

|dw:1362475161297:dw|

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