Chapter 1 Physical Quantities and Units

Physical quantities can be divided into two categories, base quantities and derived quantities

 Which is below NOT the SI base quantities

• Length

• Mass

• Time

• Velocity

What is the unit for mass?

• kilometer

• kilogram

• litre

• ampere

Quantities other than the seven base quantities are called derived quantities, which one below is correct?

• Electric Current, Luminous intesity and Pressure

• Power, Time and Work

• Density, Force & Weight

• Mass, Lenght and Tempreture

What is the unit for Area?

• m²

• mm²

• cm²

• m³

What is the correct formula for Force?

• ρ = m/v

• F=ma

• W=mg

• P=F/A