Posted by **NHS** on Monday, September 17, 2007 at 11:50pm.

A 72.0-kg 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

- Physics -
**bobpursley**, Tuesday, September 18, 2007 at 6:55am
W= mg +- mg + when going up, - when down.

- Physics correction -
**bobpursley**, Tuesday, September 18, 2007 at 6:56am
W= mg +- ma + when a going up, - when down.

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