VECTORS ON THE PLANE. (BASIC CONCEPT)

VECT ORS ON THE PLANE. (BASI C CONCEPT)

1-. WHAT I S A COORDI NATE SYSTE M?

It is a syste mt hat uses one or mor e nu mbers to uni quel y det er mi ne the posi ti on of a

poi nt or geo metri c obj ect.

2-. WHAT I S AN ORDERED PAI R?

It is a pai r of mat he mati cal obj ects, i n whi ch one el e ment i s di sti ngui shed from

anot her. The or der ed pai r whose first el e ment i s ‘ ‘a’ ’ and whose second el ement i s ‘ ‘b’ ’.

3-. WHAT I S A VECTOR?

It is a mat he mati cal entity li ke a strai ght li ne or plane, it is represent ed by a strai ght

li ne seg ment, ori ent ed withi n three- di mensi onal Eucli dean space.

4-. WHAT ARE THE ELE MENTS OF A VECTOR?

The el e ments of a vect or are:

a) Modul e or Magni t ude: it is the l engt h of the di rect ed seg ment that cont ai ns the

vect or.

A MODULE B



b) Di recti on or Li ne of Acti on: it is the di recti on of the li ne that cont ai ns said vect or.

The di recti on can be: horizont al, verti cal and i nclined.

Di recti on: Hori zont al

Modul e: 3 uni ts



Di recti on: Verti cal

Modul e: 4 uni ts

c) The Poi nt: is the poi nt wher e the magni t ude i s consi dered appli ed to who m t he

vect or is representi ng. 0