Original Project
Force and Motion
A moving object will maintain the same speed and direction of motion unless a force acts on it.
Item FM094002: If an object is slowing down, a force that is causing it to slow down must be greater than the sum of the forces that are pulling or pushing the object forward.
Which of the following statements is TRUE if a moving object is slowing down?
- A force within the object must be decreasing.
- A force that is pulling or pushing the object forward must be decreasing.
- A force that is causing the object to slow down must be increasing.
- A force that is causing the object to slow down must be greater than the sum of the forces that are pulling or pushing the object forward.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 3521 |
6–8 n = 2231 |
9–12 n = 1280 |
Male n = 1677 |
Female n = 1772 |
English n = 3173 |
Other n = 278 |
||
| A. | A force within the object must be decreasing. | 17% | 20% | 11% | 16% | 18% | 17% | 20% |
| B. | A force that is pulling or pushing the object forward must be decreasing. | 23% | 24% | 20% | 21% | 23% | 22% | 26% |
| C. | A force that is causing the object to slow down must be increasing. | 20% | 20% | 19% | 20% | 20% | 20% | 17% |
| D. | A force that is causing the object to slow down must be greater than the sum of the forces that are pulling or pushing the object forward. | 41% | 36% | 49% | 43% | 39% | 41% | 37% |