94.
REASONING AND SOLUTION
The apparent weight is
F
N
=
m
w
(
g
+
a
)
We need to find the acceleration
a
.
Let
T
represent the force applied by the
hoisting cable.
Newton's second law applied to the elevator gives
T
– (
m
w
+
m
e
)
g
= (
m
w
+
m
e
)
a
Solving for
a
gives
22
we
9410 N
9.80 m/s
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 Spring '08
 SOFFER
 Force, Mass, Kilogram, 0.954 m/s, 2 60.0 kg

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