a 75kg person is standing on a scale in an elevator. what is the reading of the scale in newtons if the elevator

(a) is at rest, and

(b) moving up with a constant velocity of 2.0 m/s?

a 75kg person is standing on a scale in an elevator. what is the reading of the scale in newtons if the elevator

(a) is at rest, and

(b) moving up with a constant velocity of 2.0 m/s?