Question

Two differences between fundamental and derived units and give examples of derived units

Answer 1

Answer:

Fundamental Quantities are independent and don’t depend upon other quantities for their measurement. On the other hand, derived quantities depend upon other fundamental quantities for their measurement. for example: Mass is a fundamental physical quantity. It’s SI unit is Kg. Speed is a derived physical quantity. It’s unit is m/s (meter per second). So, speed depends upon length and time for being measured.

Explanation:

Answer 2

Answer:

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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