Vectors has many application in physical science.

The most important of that can be read and seen while calculating resultant of two concurrent forces.

Forces F1 ans F2 have a reaultant for, so that can be calculated using vectors and taking its components into account.

Vectors can be applied in throwing a javelin, ball games, airplane flying, playing billiards, or even hockey.

Vector is also known as ''carrier''.

The more you study about it , more you will understand its application level.