FRICTION
REACTION
GRAVITY
ACTION
FORCES
PUSH
MOVE
I
U
G
R
A
V
I
T
Y
C
E
H
O
X
T
A
F
E
P
O
W
F
F
G
A
U
V
T
E
L
A
E
K
R
F
C
U
J
E
A
V
V
O
H
I
R
S
I
I
A
V
O
O
E
S
C
X
E
W
V
W
A
B
H
M
P
T
E
G
A
U
G
O
A
C
H
S
I
U
T
Y
C
K
D
E
U
S
T
O
E
C
H
S
T
I
T
U
U
Y
N
I
J
C
K
V
I
U
U
P
I
T
P
H
O
Z
R
U
O
A
M
P
Y
O
A
G
F
N
O
O
N
C
D
Q
J
L
X
A
E
I
G
T
F
M
A
