Question

with what force will body of mass 1kg get attracted to the earth

Answer 1

force. = m ×a 
= 9.8 × 1
=9.8N

Answer 2

A body of mass 1kg get attracted to earth with force of 9.8 N

by the equation ⇒ F = G*Me* Mo/R²

where G = 6.67*10^-11

Me = 5.06*10^24

R = 6.37*10^ 6