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Beam balance measure mass by comparing unknown quantity with known standard quantity of mass.Beam balance measure accurate quantity of matter present in that body .Quantity measured by beam balance doesn't differ in any place of world either in poles or equator but measuring scale quantity differ in different places
Vector quantity is the measurement of both magnitude and direction of the movement of a medium. If you wanted to make a story using vectory quantity, you could compare it to scalar quantity.
You can find out the weight of an unknown object by using standard masses and a scale.
base quantity !!
A comparison between an unknown quantity and a standard is known formally as a measurement. In essence, by taking a measurement of a standard against an unknown quantity, you are creating your own system of measurement.
It is calibrating.
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To measure a physical quantity correctly and need to compare it with some standard quantities. Thus a standard unit is needed to measure a quantity correctly.
dear friend, simply measurement means the comparison of any unknown quantity with a known quantity.for ex, when we measure rice using a balance.we usually put one standard quantity in one pane while we put the unknown quantity in another pane.so, isn't this a comparison
x= the unknown
The Unknown Quantity - 1919 was released on: USA: 14 April 1919
The difference between actual quantity and standard quantity is called the material quantity variance.
x
An algebraic expression uses a letter to represent an unknown quantity.
In maths the symbols x and n are usually used to represent an unknown quantity. These may be referred to as a variable.
A variable is usually assumed to represent an unknown quantity. You don't need to "do" anything special to your variable.