The SI unit is a Newton. The old US unit is the pound-force or the poundal.
square feet
The mass doesn't change; just the numbers.
No, the mass is the same. Only the numbers are different.
it is in the us customary unit or else we wouldnt be learning about. there for it is in the us customary unit.
600 millimeters in metric measurements is the equivalent of 23.622 inches in US customary measurements. One inch is the equivalent of 25.4 millimeters.
The customary units are ones we use everyday. metric units usually have the word meter on it. my teacher taught me meter metric no meter no metric.
No, Foot belongs to the Imperial and US customary units (according to Wikipedia)
No. Mass units include the gram, kilogram, metric ton, poundmass, and slug. Weight is measured in units of force, including newton, US ton, and poundforce. The common "pound" used to describe weight in the US customary system is the poundforce.
The US has not converted to the Metric System yet. We are still using the English Customary.
One US gallon of producer's milk (not skimmed, semi-skimmed, homogenised etc), weighs 10.1 pounds-force in customary measure and 44.5 newton in metric measure.
Customary Units
Liter is used in the United States, but it is not one of the US customary units.
Force has the symbol F (don't forget the italic) Electrical force is Fe Gravitational force is Fg
Yes they do use only the metric system
US customary units
Outside the USA everything is metric. Come, join us in the modern world.
Ounces and feet