ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item RG042003: The gravitational potential energy of a system of two objects can be increased by pulling them farther apart.
Which of the following statements about the gravitational potential energy of a system of two objects is true?
- The gravitational potential energy of a system of two objects can be increased by pulling them farther apart.
- The gravitational potential energy of a system of two objects can be increased by bringing them closer together.
- The gravitational potential energy of a system of two objects can only be changed if one of the objects in the system is the earth.
- The gravitational potential energy of a system of two objects can only be changed if the mass of the one of the objects changes.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 542
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 672 | 3008 | 22% |
| Grades | |||
| 4–5 | N/A | N/A | N/A |
| 6–8 | 323 | 1495 | 22% |
| 9–12 | 349 | 1513 | 23% |
| Gender | |||
| Male | 299 | 1390 | 22% |
| Female | 355 | 1534 | 23% |
| Primary Language | |||
| English | 600 | 2685 | 22% |
| Other | 51 | 228 | 22% |