Wednesday, June 13, 2012

Magnetism

                                                 
  you might  have enjoyed playing with a broken piece of magnet that can get from old magnetic toys  or speakers.have you observed what happens if  you take a magnet near things like thumb pins, safety pins, stapler pins,iron nails?They are attracted to the magnet.When we suspend a magnet freely in the middle,it will come to rest in the north-south direction.Thus magnet is a substance which attracts small pieces of iron towards itself and comes to rest in the north-south direction,when suspends freely.The magnet attracts iron objects by the force called magnetic force.the collective properties of a magnet is called magnetism.

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