A box weighs 196 N on a spring balance at the north pole. Its weight (in N) recorded on the same balance if it is shifted to the equator is close to (Take g=10 m/s^2 at the north pole and the radius of the earth =6400 km):
Option: 1 195.32
Option: 2 195.66
Option: 3 194.32
Option: 4 194.66