Answers

2014-03-26T21:51:11+05:30
We know that by Newton's 2nd law

F = Ma
   a= 9.8 m/s (Acceleration Due to gravity )
  M = 1 kg

1) F = Ma
       = 1 * 9.8
       = 9.8 Newton          

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2014-03-27T07:50:56+05:30
It means that amount of force required to attract a body of mass one kg by earth is 9.8N
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