The graph shows how weight varies with mass on planet P and on planet Q.
An object weighs 400 N on planet P. The object is taken to planet Q.
Which row is correct?

mass of object on planet Q/ kg:40 / weight of object on planet Q/N:200
2 )
mass of object on planet Q/ kg:40 / weight of object on planet Q/N:400
3 )
mass of object on planet Q/ kg:80 / weight of object on planet Q/N:200
4 )
mass of object on planet Q/ kg:80 / weight of object on planet Q/N:400
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