-Vectors-
Physical quantity that has both
magnitude and direction
Vectors into components :
-----------------
! Always
I
chose positive and
negative
Fi = 500N I
-direction
I
- - - - -
-----------
~
Fz = zoON
-El - -
E2-EzH
(300
500 Fi 20
Of
FzV
F ,H
524
538
,
FV + EzV 333 01N up
#V FzV
= ,
= 500 sin6o = -200 Sin3 o =
..
O
= 433 01N ,
= -IOON &
F ,H + FzH
= 423 21N ,
right
F H , = 500 cost o FzH = 200 cos 30
= 250N = 173 ,2N Fret = 538 , 2N at 00
2
3 or more vectors :
·
73
=
Sum of vert 31 , 05 N
F4 =30N
Enet .
Comp
.
=
O
Fi = 150N -
-
F3 = zoN ·
- Sum of hor .
Comp .
= 171
,
02 N
F2 = 50N
0 = tan()
-
E - -
E2- -
E3- -E4- = 10 ,
298
Fv = 150 sinlo FzV = -50 Sin30 FzH = -zoN F4H = ON
= 26 , 05N =
= 25V
EzV = on F4V = 30N
FH = 150 coslo EzH = 50 cos30
= 147 72N
,
= 43 3N,
Resultant Vector :
Single Vector that has the same effect as the
original vectors
acting together
Scalar :
Physical quantity that has mass
only
Physical quantity that has both
magnitude and direction
Vectors into components :
-----------------
! Always
I
chose positive and
negative
Fi = 500N I
-direction
I
- - - - -
-----------
~
Fz = zoON
-El - -
E2-EzH
(300
500 Fi 20
Of
FzV
F ,H
524
538
,
FV + EzV 333 01N up
#V FzV
= ,
= 500 sin6o = -200 Sin3 o =
..
O
= 433 01N ,
= -IOON &
F ,H + FzH
= 423 21N ,
right
F H , = 500 cost o FzH = 200 cos 30
= 250N = 173 ,2N Fret = 538 , 2N at 00
2
3 or more vectors :
·
73
=
Sum of vert 31 , 05 N
F4 =30N
Enet .
Comp
.
=
O
Fi = 150N -
-
F3 = zoN ·
- Sum of hor .
Comp .
= 171
,
02 N
F2 = 50N
0 = tan()
-
E - -
E2- -
E3- -E4- = 10 ,
298
Fv = 150 sinlo FzV = -50 Sin30 FzH = -zoN F4H = ON
= 26 , 05N =
= 25V
EzV = on F4V = 30N
FH = 150 coslo EzH = 50 cos30
= 147 72N
,
= 43 3N,
Resultant Vector :
Single Vector that has the same effect as the
original vectors
acting together
Scalar :
Physical quantity that has mass
only
