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Why system international consists of seven basic quantities why not eight or six?
Wiki User
∙ 10y ago
The seven basic quantities are selected to allow other quantities to be defined in terms of these measures. It is possible to have 8 or more, but then they would not be independent and at least one could be derived from the others.
Some people argue that even the seven are not independent since distance and time are related by c, the speed of light which is a fundamental constant (under defined conditions). Therefore metre or second can be eliminated as a basic quantity by defining metre = c*time or second = metre/c. However, I contend that this is simply replacing distance and time by either speed and time or by speed and distance so that the number of basic quantities does not change.
Wiki User
∙ 10y ago
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What is the basic system international metric system unit of mass?
Kilogram
What are basic quantities and derived quantities?
Basic quantities are physical quantities that are independent and cannot be defined in terms of other physical quantities, such as length, time, and mass. Derived quantities, on the other hand, are physical quantities that are defined in terms of one or more basic quantities, such as speed, acceleration, and force.
What are a basic fundemental quantities?
Some examples of basic fundamental quantities are length, mass, time, electric current, temperature, amount of substance, and luminous intensity. These quantities form the basis for all other derived quantities in the International System of Units (SI).
What are the derive of quantities?
Derived quantities are one which are derived from the basic or fundamental quantities..
What are the differentiate between the basic quantities from derived quantities?
Basic quantities are independent and cannot be derived from other physical quantities, such as length, time, and mass. Derived quantities are those that are defined in terms of basic quantities, like speed, which is derived from length and time. Basic quantities are the building blocks for deriving other quantities, while derived quantities depend on basic quantities for their definition.
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The basic unit of mass in the international system of units or SI is the?
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