How to Know if a Ratio Is Dimensionless
How to Know if a Ratio Is Dimensionless
Express a ratio of two physical quantities as a fraction.
hours
days
Write the appropriate unit for each of the physical quantities.
minutes
minutes
Check whether the unit above the fraction bar is the same as the one below.
hours
minutes
Check if some units are derived.
seconds
minutes
Check if the physical quantities are expressed in SI units.
hours
hours