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Which one of the following free-body diagrams best represents the free-
body diagram, with correct relative force magnitudes, of a person in an
elevator that is traveling upward with an unchanging velocity?
Ff is the force of the floor on the person and Fg is the force of gravity on
the person.
A)
B)
C)
D)
E)
F
F
Fg
O A
O B
O D
O E

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