Item EG071002: Two pictures that weigh the same and are hung the same height above the floor have the same amount of gravitational potential energy.

A person hangs three pictures on the wall. The pictures all weigh the same. Picture 1 and Picture 2 are at the same height above the floor. Picture 3 is directly below Picture 1.

Which pictures have the same amount of gravitational potential energy?

  1. Pictures 1 and 2 have the same amount of gravitational potential energy.
  2. Pictures 1 and 3 have the same amount of gravitational potential energy.
  3. Pictures 2 and 3 have the same amount of gravitational potential energy.
  4. All of the pictures have the same amount of gravitational potential energy.

Distribution of Responses

Chart showing distrubtion of responses for Item EG071002

Percent of students responding correctly

Overall57%
Grades 6–854%
Grades 9–1259%
Male55%
Female58%
Primary Language is English58%
Primary Language is not English47%

View data table