ELECTROMAGNETISM
UNBALANCED
FRICTION
BALANCED
UPTHRUST
GRAVITY
NUCLEAR
PULL
PUSH
U
I
D
I
E
D
P
D
E
C
N
A
L
A
B
A
G
D
E
G
R
P
A
A
Y
U
W
X
G
L
N
T
O
G
A
D
C
R
M
O
H
C
E
N
L
R
Y
U
K
N
A
G
O
T
E
A
F
S
T
F
O
J
M
L
C
X
B
A
S
U
U
Z
A
V
U
T
I
I
S
I
X
L
C
L
F
A
I
S
U
N
A
I
I
O
T
T
P
U
E
N
S
P
E
T
G
W
E
V
S
T
J
C
J
G
E
A
E
C
I
U
I
U
J
U
B
D
O
Y
I
I
X
B
R
N
X
A
B
V
I
B
S
F
O
E
O
R
I
F
F
A
H
H
G
O
Z
R
U
P
B
O
P
C
F
N
I
U
H
C
F
N
A
A
I
N
H
I
M
H
Y
N
T
M
E
I
U
I
O
I
O
A
M
E
U
V
U
I
O
A
A
I
W
B
A
F
S
L
D
T
K
O
H
U
J
O
I
L
U
P
T
H
R
U
S
T
E
Z
S
L
R
S
O
O
D
A
Q
B
I
Z
U
I
Z
F
T
V
Q
V
K
T
L
V
O
B
E
F
K
F
X
U
W
X
L
G
H
U
A
Y
C
K
E
N
I
Y
B
S
E
E
T
E
U
C
H
S
E
I
I
E
U
U
A
D
J
U
E
Z
A
Y
W
R
N
K
U
D
Y
O
L
E
R
I
U
C
O
F
P
L
I
D
J
O
D
P
P
E
X
E
