A body is weighed by a spring balance to be 1.000 kg at the north pole….

Q: A body is weighed by a spring balance to be 1.000 kg at the north pole. How much will it weigh at the equator ?

(a) 0.398kg

(b) 0.579kg

(c) 0.235kg

(d) 0.997kg

Ans: (d)