w
e
i
g
h
t
W
(
l
b
s
)
1
2
5
w
i
d
t
h
w
(
i
n
)
6
h
e
i
g
h
t
h
(
i
n
)
1
8
c
o
e
f
f
i
c
i
e
n
t
o
f
f
r
i
c
t
i
o
n
μ
0
a
p
p
l
i
e
d
f
o
r
c
e
P
(
l
b
s
)
1
0
0
h
e
i
g
h
t
a
p
p
l
i
e
d
a
t
y
(
i
n
)
9