You stand on a spring scale on the floor of an elevator.Of the following, the scale shows the highest reading when the elevator:
A)moves downward with increasing speed
B)moves downward with decreasing speed
C)remains stationary
D)moves upward with decreasing speed
E)moves upward at constant speed

Question

Quizplus · Accepted Answer

When the elevator moves downward with decreasing speed, it is decelerating, which means there is an upward acceleration. This increases the normal force exerted by the scale, resulting in a higher reading.

You Stand on a Spring Scale on the Floor of an Elevator.Of