Vectors-quantity & direction important
=
2 rectors are if they are equal in quantity &
parallel
direction. #Also paralled if they are scalar multiplications
of each other.
>
AB
-
is the opposite of BA
-
: zero rector.
Only rector without direction
from state
Addingrectors : vector that takes
you
[P EF CE
↳
+ =
(a) (a)
+ =
(
Substracting rectors add the of a rector
neg
:
- = ()-() =
, Magnitude of rectors
a =
(5)
(a) ny =
+
a=
(-)
(a) = x(3)2
+
+9
=
= 5
=
2 rectors are if they are equal in quantity &
parallel
direction. #Also paralled if they are scalar multiplications
of each other.
>
AB
-
is the opposite of BA
-
: zero rector.
Only rector without direction
from state
Addingrectors : vector that takes
you
[P EF CE
↳
+ =
(a) (a)
+ =
(
Substracting rectors add the of a rector
neg
:
- = ()-() =
, Magnitude of rectors
a =
(5)
(a) ny =
+
a=
(-)
(a) = x(3)2
+
+9
=
= 5
