Question

what are derived units? Derive the unit for the area of rectangle and speed.​

Answer 1

Explanation:

A derived unit is a SI unit of measurement comprised of a combination of the seven base units. Like SI unit of force is the derived unit, newton or N where N=

s

2

1×m×kg

.

There are some commonly used derived units which includes:

1. Pressure =

Area

Force

=

m

2

N

2. Mass density=

m

3

kg

3. Specific volume =

kg

m

3

4. Current density =

meter

2

Ampere

=

m

2

A

5. Magnetic field strength =

Meter

Ampere

=

m

A

6. Capacitance =Farad=F=

V

C

=m

−2

kg

−1

s

4

A

2