Question

how would you define a unit mass if people had placed a standard spring at service instead of a standard mass

Answer 1

Explanation:

$\huge\mathcal{\pink{ ANSWER}}$

'Mass is defined as the actual weight of an object 'or body which does not included the acceleration of the planet on its body .

The standard spring calculates the weight of body with the acceleration of planet on it and it does not the actual mass of object .