MATHEMATICIAN
ACCELERATION
PHYSICIST
CAMBRIDGE
PRINCIPIA
SPECTRUM
REACTION
GRAVITY
INERTIA
NEWTON
ACTION
FORCE
ORBIT
MASS
O
F
O
R
C
E
H
D
L
Y
W
I
N
E
R
T
I
A
Z
A
P
S
T
E
B
I
E
D
E
A
R
E
I
N
G
K
O
A
A
Y
E
P
D
W
A
I
Z
C
A
N
I
A
R
Q
L
C
I
A
G
O
Q
E
A
V
P
C
O
U
C
I
A
I
A
T
E
T
D
F
S
X
L
X
S
E
D
N
Q
C
V
K
P
I
O
U
I
A
D
D
O
Z
A
L
I
O
V
I
I
Q
I
O
Q
C
R
C
B
C
L
K
A
E
I
T
I
T
T
G
O
N
H
O
B
A
S
P
E
C
T
R
U
M
D
A
Y
C
Q
Y
U
P
M
A
A
X
N
A
Z
A
M
D
V
M
N
F
U
M
F
R
A
T
I
G
A
W
R
T
I
I
P
E
O
A
X
A
A
I
C
P
H
Y
S
I
C
I
S
T
Q
H
I
K
O
S
A
N
D
I
U
Z
I
O
Q
O
Y
L
E
T
T
O
X
S
U
C
T
B
C
R
N
D
H
N
T
Q
Q
A
C
X
O
J
Z
I
I
V
O
P
O
M
O
Y
I
H
P
M
A
Z
E
R
Z
P
B
K
Q
L
T
K
J
O
X
A
E
U
E
S
Q
R
J
I
R
R
V
P
W
N
N
N
C
O
T
U
R
I
W
A
W
A
O
L
G
M
E
W
O
G
S
U
M
U
H
X
T
J
O
M
O
I
E
D
N
P
N
O
X
O
A
T
A
A
