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A 150 pounds person is standing on a bathroom scale in an elevator. Calculate the scale...

A 150 pounds person is standing on a bathroom scale in an elevator. Calculate the scale reading in the following conditions:

a) the elevator moves upwards with a constant acceleration of 1.5 meters per second square.

b) the elevator moves upwards with a constant velocity of 1.5 meters per second

c) the elevator moves downward with a constant acceleration of 2 meters per second square.

d) the elevator moves downward with a constant velocity of 2 meters per second.

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