Answers

2015-10-07T16:53:37+05:30
It'll weigh zero in the reference frame of the elevator but as such it's weight will remain 'mg'.
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2015-10-07T17:56:13+05:30
If it  it is in the reference of lift,the weight of the object will be 0 since  the weight remains 
n=mg.
i hope this helps u...
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