weight is caused by gravity (force between masses)
e.g. a mass of 1 kilogram has a weight (on earth, at sealevel) of approx. 10 Newton; 1 kg of mass --> 10 N of force
Jewels are weighed in units of measurement called carats. But the weights are still called weights.
Yes, England primarily uses the metric system for weights and measures. However, in some cases, imperial units are still used alongside metric units.
No, they can also be listed in metric units.
yes
They originated from the Roman system of weights and measures
The atomic mass unit is 1/12 from the mass of the isotope 12C.
If you wish to compare their respective weights then it is important to use the same units
grams per square cm
This is just a weight rack; it does not include any weights, so yes, you may use your own weights.
Stones are units of weight in the Imperial Weights & Measures System.
you can use fishing weights and glue, or buy special weights
The system of imperial units or the imperial system is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The system came into official use across the British Empire.