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