Question

a body is acted upon by a force of 10kgf . what is force acting on a body in S.I unit ? take g=9.8m/s-2

Answer 1

here 10 kgf = 9.8 x 10 
so force = 98 N 

Answer 2

Force = ma
a= g=9.8m/s^2
m= 10kgf
So the force = 10x9.8
= 98N