Which of the following does not have the appropriate SI unit? work - Joule

acceleration - m/s2

power - Watt

momentum - kg. m/s

force - Pound

The SI system of units is the system which is Standard International system. It is used internationally.

The SI units of the fundamental quantities are given below

Mass - Kilogram

Length - metre

Time - second

temperature - Kelvin

Amount of substance - mole

Electric current - Ampere

Luminous Intensity - Candela

So, The SI unit of work is Joule

SI unit of acceleration is m/s^2

SI unit of power is watt

SI unit of momentum is kg m / s

SI unit of force is newton

Thus, the last option is incorrect.