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Is friction due to charge ?

Recently , I came across a question. It is a multiple correct answer type : Q . If all the objects in the universe are neutral like neutron (a)Force of friction does not exist (b)Tension in a string is not possible (c)We cannot sit on a chair (d)Planets cannot revolve around the Sun . Answer is (a),(b),(c) . Please help !

Note by Keshav Tiwari
2 years, 1 month ago

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All contact forces are electromagnetic including normal and friction. So the given answer is correct Rohit Shah · 2 years, 1 month ago

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A --friction definition it is interlocking due to atomic interaction of charges Shubham Gupta · 2 years, 1 month ago

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The reality is that the charge of the universe is quantized and net charge is 0 Shubham Gupta · 2 years, 1 month ago

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