Your weight is 120 lb. Suppose you are standing on a scale in an elevator moving up with a constant speed of 4 m/s. What would be the reading on the scale?
A) 480 lb
B) 120 lb
C) 70 lb
D) 30 lb
E) 0.

Question

Quizplus · Accepted Answer

The reading on the scale would be equal to your actual weight, which is 120 lb. This is because you are not accelerating, but moving at a constant speed, so there is no additional force acting on your body.

Your Weight Is 120 Lb