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.

Statistics for this item are available in the Original Project.