Question

of the seven base units, only one the kilogram has a prefix. would it be wise to redefine the mass of the platinum-iridium cylinder at the international bureau of weights and measures as 1 g rather than 1kg?

Answer 1

Answer:

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Explanation:

The kilogram is the base unit of mass because electrical engineers in the late 19th century chose a particular set of practical electrical units. ... However, by coincidence they were coherent with m, kg, s. That is why the kilogram was chosen as the base unit of mass in the SI system, in 1960.