It depends on the context. A foot is a hopelessly inaccurate unit if you want to measure the thickness of a single hair. On the other hand it is extremely accurate if measuring the distance to the moon at a particular point in time.
newtons
unit of measurment.
no its a unit of measurment
When theoritical and practical values are same it can be said that our measurment is accurate.
A unit of measure is an officially standard used to make measurements.
if its not packed you wont get an accurate measurment
No, they are simply a different unit of measure.
ounce
Metres.
Millimeters or inches
None. a foot measurment contains 12 inches (so 12 inches to every foot)
It is a measure of speed in a specific direction