A person of mass 60mg is in a lift The change in the apparent weight of the person when the lift moves up with acceleration of ms^(-2) and the down with an acceleration of 2ms^(-2) is (take g =10 m//sec^(2)) .

A person of mass 60mg is in a lift The change in the apparent weight o

1.	A person of mass 60mg is in a lift The change in the apparent weight of the person when the lift moves up with acceleration of ms^(-2) and the down with an acceleration of 2ms^(-2) is (take g =10 m//sec^(2)) .
Answer» `120 N` `240N` `480N` `720N` Solution :`w_(1) =m(G +a),w_(2) =MG(g -a)`