Original Project
Force and Motion
Item FM052004: A ball does not acquire a force when it is rolled off a table.
A ball is rolled along and off a table. Which of the following acts on the ball after it leaves the table but before it hits the floor?
- Only the force of the earth’s gravity on the ball
- Only the force the ball got from being rolled off the table
- Both the force of the earth’s gravity on the ball and the force the ball got from being rolled off the table
- Neither the force of the earth’s gravity on the ball nor the force the ball got from being rolled off the table
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 444 | 1714 | 26% |
| Grades | |||
| 6–8 | 313 | 1102 | 28% |
| 9–12 | 131 | 612 | 21% |
| Gender | |||
| Male | 233 | 839 | 28% |
| Female | 204 | 850 | 24% |
| Primary Language | |||
| English | 408 | 1578 | 26% |
| Other | 27 | 100 | 27% |