Susan (mass=52 kg) rides upward in an elevator while standing on a bathroom scale. The scale reads 575 N. (Draw a FBD.)
a. Is the scale reading greater than, equal to, or less than her body weight?
b. Calculate the resultant force acting on Susan.
c. Calculate her acceleration in m/s2
d. Is the elevator speeding up or slowing down, and if so, which one? Justify your answer.