ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item NG016004: When a ball rolls downhill, the gravitational potential energy of the ball is transformed into motion energy.
A ball is rolling up and over a hill. The ball slows down as it moves from Position 1 to Position 3, and it speeds up as it moves from Position 3 to Position 5.
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When is the gravitational potential energy of the ball being transformed into kinetic energy (motion energy)?
- Only when the ball rolls from Position 1 to Position 3
- Only when the ball rolls from Position 3 to Position 5
- The entire time the ball is rolling from Position 1 to Position 5
- It is not being transformed at any time because gravitational potential energy cannot be transformed into kinetic energy (motion energy).
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 1996 |
4–5 n = 416 | 6–8 n = 892 |
9–12 n = 688 |
Male n = 962 |
Female n = 1003 |
English n = 1835 |
Other n = 133 |
|
| A. | 14% | 15% | 16% | 12% | 15% | 14% | 14% | 19% |
| B. | 52% | 50% | 51% | 52% | 51% | 52% | 52% | 42% |
| C. | 25% | 25% | 24% | 27% | 24% | 27% | 25% | 26% |
| D. | 9% | 9% | 9% | 8% | 10% | 8% | 9% | 13% |