An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its elastic potential energy is a maximum?
A) midway between A and B
B) one-fourth of the way between A and B
C) at either A or B
D) one-third of the way between A and B
E) at none of the above points

Question

Quizplus · Accepted Answer

The elastic potential energy in a spring system is maximum when the spring is either most compressed or most stretched, which corresponds to the positions A or B if these are the extreme points of the motion.

An Object Is Attached to a Vertical Spring and Bobs