1.2.2 Show the derived units as products or quotients of the base units.

Derived	Quantities Equation	Derived Units
Area (A)	A = L2	m2
Volume (V)	V = L3	m3
Density (ρ)	ρ = m / V	kg m-3
Velocity (v)	v = L / t	ms-1
Acceleration (a)	a = Δv / t	ms-1 / s = ms-2
Momentum (p)	p = m x v	(kg)(ms-1) = kg m s-1

Derived Quantities	Equation	Derived Unit		Derived Units
		Special Name	Symbol
Force (F)	F = Δp / t	Newton	N	[(kg m s-1) / s = kg m s-2
Pressure (p)	p = F / A	Pascal	Pa	(kg m s-2) / m2 = kg m-1 s-2
Energy (E)	E = F x d	joule	J	(kg m s-2)(m) = kg m2 s-2
Power (P)	P = E / t	watt	W	(kg m2 s-2) / s = kg m2 s-3
Frequency (f)	f = 1 / t	hertz	Hz	1 / s = s-1
Charge (Q)	Q = I x t	coulomb	C	A s
Potential Difference (V)	V = E / Q	volt	V	(kg m2 s-2) / A s = kg m2 s-3 A-1
Resistance (R)	R = V / I	ohm	Ω	(kg m2 s-3 A-1) / A = kg m2 s-3 A-2