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The force of attraction between two magnets is F Newtons. This force is inversely proportional to the square of the distance
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The force of attraction between two magnets is F Newtons. This force is inversely proportional to the square of the distance

The force of attraction between two magnets is F Newtons. This force is inversely-example-1
User Md Mahbubur Rahman
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1 Answer

4 votes
As, F is inversely proportional to square of distance between them
a) When it will be doubled the force will reduce 4 times
ie. 10/4 =2.5
b) i) F= k*1/d²
ii) k=3² *2= 18
Therefore F= 18/5² =18/25 =0.72
User SMP
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