Object is hung from a spring balance attached to the ceiling of an elevator. The balance reads 56 n when the elevator is standing still.
1. What is the reading when the elevator is moving downward with a constant speed of 6.4 m/s?
2. What is the reading when the elevator is moving downward with a speed of 6.4 m/s and slowing down at a rate of 1.8 m/s2?