A nickel weighs exactly 5 grams.
yes, it is the unit for metric unit for weight.
it is used to measure large amount of substances
The metric unit most often used to describe weight is the Kilogram.
Newtons (N)
Ounces
The Newton
It's 1000kg and used in any metric weight system
There are no tools that are specific to metric system: the same tool can also be used for the Imperial system. The best metric unit of weight of a CD is probably the millinewton.
grams and kilograms (kg)
A scale
it is metric !! The weight of a dog is measured by using the metric system
The millimeter should be sufficient. If you want greater precision, measure with micrometers. A nickel made in the USA is about 2 millimeters thick, which is equivalent to 2,000 micrometers. However, keep in mind that the precise thickness will vary from nickel to nickel, depending on the amount of wear.