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Joined: 14 Nov 2009
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14 Nov 2009 13:17:34 IST
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if we have a wooden rod and then we put a 250g ring magnet in it and then 60g ring magnetin it but t
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if we have a wooden rod and then we put a 250g ring magnet in it and then 60g ring magnetin it but the second magnet is in air due to the repulsion forceso my question is what should be the weight of two magnets????


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New kid on the Block

Joined: 23 Aug 2009
Posts: 16
14 Nov 2009 13:25:54 IST
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do u have any hints

Krishna Gopal Singh's Avatar

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Joined: 29 Dec 2006
Posts: 5153
26 Jan 2012 06:56:38 IST
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The weight of two magnet system will still be 310 gwt. The magnetic force between two magnets is an internal force which will cancel each other if we see two magnet system as one body. In that case total pull created by gravity will be simply 250+ 60 = 310 gwt 


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Joined: 19 Jan 2012
Posts: 191
26 Jan 2012 13:42:08 IST
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310gm



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