Question

write the differentiate between the fundamental and derived unit​

Answer 1

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Fundamental units are the units of the fundamental physical quantities in SI system. They are not formed from other units. There are a total of seven fundamental units such as meter, kilogram, ampere, and second. Derived units are those units that are used for derived quantities.

Answer 2

Answer:

Fundamental units are the units of the fundamental physical quantities in SI system. They are not formed from other units. There are a total of seven fundamental units such as meter, kilogram, ampere, and second.

Derived units are those units that are used for derived quantities. These quantities are derived from the fundamental quantities through various equations. Examples of derived units are meter per second (distance), mole per cubic meter (amount of substance concentration) and specific volume (cubic meter per kilogram). There are totally 22 SI derived units

Explanation:

Fundamental Quantities:

Fundamental quantities are the base units in a given measurement system. They can also be directly measured.

Examples:

1. Distance (meters)

2. Time (seconds)

3. Volume (liters)

4. Temperature (Kelvin)

Derived Quantities:

While fundamental quantities can be directly measured, derived ones must be calculated. They are calculated from the base unit. That;s the biggest difference.

Examples:

1. Kilogram:

Mass when measured in grams is a fundamental quantity. Kilograms are however 1000 grams. So kilograms is a derived unit.

2. Newton:

A newton is the net force required to accelerate 1 kilogram of matter 1 meter per second. So, newton is a derived quantity ( because kg is a derived quantity)

3. Watt:

Watt is calculated by dividing the joules per second. Since, joules is a derived quantity so watt is also a derived quantity.

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