F
Y
Ey
M
S
F
Ex
&
Fy
F
d
&
N HEAD
&
I
Ex
-
E
I
TAL I
I
·
-
o
&
f
8
Exi + Fyj
=
F
/
-
2
Fy
X
=
Frost
=
F sing
=
F sing
=
Fost
X
-
F
v
-
M
W
=
mg
15016
·
#
=
g = 9 81
.
m/s
2
g
=
02 . 2
Aft
Fun + Fu
115-snes
&
150
Fu
-
O
WEIGHT
=
Fu
77 #
=
.
&
i
NORMAL
FN
SPRING
Fs
FRICTION
F
=
KX
=
MEN
At
me
X = L
-
F
Lo
F
=
=
99 61b
,
77 Tn
.
+
99 65
.
16
E
By DIRECTION COSINES
.
A
#x
Y
↑·
↑
C
=/
-
=
Ex
L
=
7
-
Y
X
#
X
Fy
Fy
-
Fz
I
-
D
Z
/
Ey
=
-
FA
O
F
=
Z
#z
·
F
=
Frostz
costz
B
-
8
Frosty
costy
-
-
G
=
A
C
-
cosx
B
Ex
8
F -
B
Frosty
I
L
&
=
Z
#
=
=
Exi + Fyj + Fzk
BY ROTATIONAL ANGLES
Y
Y
↑·
↑
Ey L
F
C
-/
&
Fz I
-
D
Exz
A
C
N
-
Fy
F
T
Fy
Exz
f
/
Flost
=
=
Fsino
-
·
-
G
>
Fxz
B
Ex
O
-
↓
-
B
>
/
X
Ex
&
G
=
#xzcosq
-
Z
Ex
-
D
Y
.
Ez
Exz
A·
Fz
G
Z
Ez
F
=
=
Fsintcos o
=
Exz sing
=
Fsinsing
Exi + Fjj + Ezk
E
T
=
750 Sinz costi
+
=
*
750c0s35]
+ 750 sins sintik
=
#
5
=
=
390i
+
614j + 181 8k
.
-900cos65 sin20i
+ 900
sin65j
+ 900 cos 65cos 200
5
=
-
130 17
,
+
816j + 357k
A(xA Da za)
,
·
·
o- Fra
Z
,
↳ (X Dis Eis)
,
,
d2 dy + dy + d
=
F
=
#
=
F
=
Exi + Fyj + Fzk
Frosti
Fi
j + Frostzk
+ Frosty
+
F
+
F
d
+
↑
3507420i + 50j 320k)
-
=
-
+ 5102 + 3202
4502
↑
P
=
350N ,
Q
=
350N
*
-Hi + 2; -
=
I
3507270i + 400 - 600K)
-
+ 4002 +6002
#02
1
E
=
1350
-I
-
↑
2000
7 + >
-
II
3000
-
I
K