Question

N/kg is unit of what ...

Answer 1

IT'S UNIT OF ACCELERATION..WHICH WAS GIVEN BY NEWTON

Answer 2

It is a unit of acceleration because when we substitute the value of N from 1kg×m/s^2
we get
N/kg = ( 1kg×m/s^2 )/ kg
= 1kg × m/s^2 / kg
= m/s^2 (by cancelling out kgs)