Problem 2 (More Challenging Force Problem; From

Last Time)

4.8 of text:

You walk into an elevator, step onto a scale, and push the "up" button. You recall your normal

weight is 625 N. Draw a free-body diagram. a) When the elevator has an upward acceleration of

magnitude 2.50 m/s², what does the scale read? b) If you hold a 3.85 kg package by a light

vertical string, what will be the tension in this string when the elevator accelerates as in part a)?