Item EG015003: The mass of a rock will affect the gravitational potential energy of a rock on top of a cliff.

A rock is resting on a flat surface at the top of a cliff. Which of the following always affects the amount of gravitational potential energy a rock has?

  1. Its mass
  2. Its shape
  3. How close it is to the edge of the cliff
  4. A rock cannot have any gravitational potential energy unless it is falling.
Distribution of Responses
Chart showing distrubtion of responses for Item EG015003
Scale Score for Item Difficulty
(200-800)
485
Students Responding Correctly
Group Correct Total Percent
Overall 1648 3252 51%
Grades
  6–8 841 1793 47%
  9–12 803 1449 55%
Gender
  Male781156450%
  Female833161452%
Primary Language
  English1476280653%
  Other12833938%

View data table