You walk into an elevator, step onto a scale, and push the “up” button

You walk into an elevator, step onto a scale, and push the “up” button. You also recall that your normal weight is w=645 N.

A. Make a free-body diagram of your body if the elevator has an acceleration of magnitude a=2.42 m/s².

B. What does the scale read with the conditions given in part (A)?

C. If you start holding a 3.50 kg package by a light vertical string, make a free-body diagram of the package.

D. That will be the tension in the string in part (c) once the elevator begins accelerating?