A 25 kg box is at rest on top of a spring with spring constant k = 1000 N/m. The spring is attached to the bottom of an elevator car, as shown in the figure

A 25 kg box is at rest on top of a spring with spring constant k = 1000 N/m. The spring is attached to the bottom of an elevator car, as shown in the figure below. i) With the elevator car at rest, fi