Physics
posted by NHS
A 72.0kg person stands on a scale in an elevator. What is the apparent weight when the elevator is
(a) accelerating upward with an acceleration of 1.80 m/s2,
N
(b) moving upward at a constant speed, and
N
(c) accelerating downward with an acceleration of 1.30 m/s2?
N
I just need to know how to do these problems

bobpursley
W= mg + mg + when going up,  when down.

bobpursley
W= mg + ma + when a going up,  when down.
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