Item EG005003: Increasing the speed of an object increases its motion energy.
How does increasing the speed of an object affect the motion energy (kinetic energy) of the object?
- Increasing the speed of an object decreases its motion energy.
- Increasing the speed of an object increases its motion energy.
- Increasing the speed of an object does not affect its motion energy.
- Whether or not its motion energy is affected depends on how much its speed was increased.
Answer Choice |
Overall |
Grades |
Gender |
Language |
||||
|---|---|---|---|---|---|---|---|---|
| 6–8 | 9–12 | Male | Female | Primary Language is English | Primary Language is not English | |||
| A. | Increasing the speed of an object decreases its motion energy. | 17% | 17% | 17% | 17% | 17% | 16% | 21% |
| B. | Increasing the speed of an object increases its motion energy. | 56% | 55% | 57% | 56% | 55% | 58% | 41% |
| C. | Increasing the speed of an object does not affect its motion energy. | 16% | 17% | 15% | 16% | 16% | 16% | 20% |
| D. | Whether or not its motion energy is affected depends on how much its speed was increased. | 12% | 12% | 11% | 11% | 12% | 11% | 17% |