Answer:
686.7 N
Explanation:
mass the person is 70 kg , which is constant for the entire universe.Although weight of the person is depends upon the gravity of the planet on which he resides
W= mg
m= mass W= wight and g= Acceleration due to gravity of the planet which 9.81 m/sec^2 on earth.
therefore weight W = 70×9.81 = 686.7 N
Hence the weight of the father will be 686.7 N