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Physics
Physics
Problem
Show that the apparent weight
R
R
R
of a body of mass
m
m
m
in a lift accelerating downward with uniform acceleration
a
a
a
is
R
=
m
(
g
−
a
)
R = m(g - a)
R
=
m
(
g
−
a
)
, and hence state the value of
R
R
R
when the lift is in free fall.
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