Units and Measurement

MKS is the system of units based on first three units of base quantities.

In studying physics measurement is the foundation of the subject.

1. Measure to nearest centimetre the length and width of the regular shaped rectangle using a ruler.

Mass is one of the base quantities in SI system of units which is measured in kilogram and denoted by kg.

Long periods of time are measured by a clock or a watch. Short times are measured by a stopwatch.