MAGNETISM
GRAVITY
FULCRUM
PULLEY
LEVER
FORCE
WHEEL
WEDGE
SCREW
PULL
PUSH
LIFT
AXLE
E
U
D
Q
E
G
X
P
P
E
L
P
I
O
U
F
C
B
U
S
M
U
U
F
O
R
C
E
W
K
A
Y
O
F
C
A
G
C
B
O
P
J
S
H
Q
V
N
U
L
R
G
A
A
A
P
U
L
L
E
P
O
I
B
E
E
N
G
E
R
J
S
A
F
E
R
O
U
I
V
W
E
O
D
Y
O
H
U
U
L
U
H
B
P
E
A
T
O
C
U
I
D
O
L
Y
Z
I
G
C
R
I
I
H
O
O
E
F
K
C
O
Y
C
A
H
S
W
S
Z
I
R
U
V
H
R
E
I
L
I
F
T
Z
M
U
I
N
E
D
I
U
V
M
C
G
R
A
V
I
T
Y
W
B
C
K
M
I
L
U
R
G
B
J
C
S
N
U
W
N
M
A
S
T
A
Z
B
W
E
D
G
E
Z
A
O
I
X
E
S
P
U
L
L
E
Y
L
K
P
O
I
L
L
I
I
O
A
B
H
L
I
R
R
E
I
K
F
E
A
M
