Question

What is derived unit? Derive the unit for density in SI unit?

Answer 1

The units of derived physical quantity is derived units. unit for density is kg /m*3

Answer 2

Derived unit is also called a SI unit made up of base unit to express a physical quantity.

Explanation:

• The derived units are the combination of the SI units is the combination of the base unit to express the physical quantities.

• The derived SI unit for density is $\frac{kg}{m^3}$.

• Density is one of the derived SI units.

• It was derived from the significant unit for mass, meter, and the kilogram and fundamental unit for length.

• Density is defined by mass per unit of volume.

• The SI derived unit for volume is cubic meters.

• Hence the derived SI unit for density is $\frac{kg}{m^3}$.

• The formula for Density=  $\frac{Mass}{Volume}$ = $\frac{m}{v}$.

Learn more about derived units

What are derived quantities and derived units? State two examples. State the corresponding S.I. and C.G.S. units of the examples.

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How are the following derived units related to the fundamental units:

a) newton

b)watt

c)joule

d)pascal

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