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.

## Answer This Question

## Related Questions

- Physics - A 96.4-kg person stands on a scale in an elevator. What is the ...
- Physics - Chapter 4, Problem 36 Incorrect. A 77.2-kg person stands on a scale ...
- physics - A 72.2-kg person stands on a scale in an elevator. What is the ...
- Physics - A 96.6-kg person stands on a scale in an elevator. What is the ...
- physics - A 84.5-kg person stands on a scale in an elevator. What is the ...
- Physics - 74.0-kg person stands on a scale in an elevator. What is the apparent ...
- Physics - A 97.0-kg person stands on a scale in an elevator. What is the ...
- Physics - A 76.6-kg person stands on a scale in an elevator. What is the ...
- Physicss - Chapter 4, Problem 40 A 94.9-kg person stands on a scale in an ...
- physics - an 800 N person stands on a scale in an elevator. What is his apparent...

More Related Questions