Original Project
Force and Motion
If a force acts on an object in the same direction as the direction of its motion, the object’s speed will con…
Item FM102001: A ball thrown into the air goes slower and slower on the way up, stops, and then moves faster and faster as it comes down.
A ball is thrown straight up into the air. What happens to the ball’s speed as it goes up and as it comes down?
- The ball goes up at a constant speed, stops, and then comes down at a constant speed.
- The ball goes up at a constant speed, stops, and then moves faster and faster as it comes down.
- The ball moves slower and slower as it goes up, stops, and then comes down at a constant speed.
- The ball moves slower and slower as it goes up, stops, and then moves faster and faster as it comes down.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 902 |
6–8 n = 585 |
9–12 n = 313 |
Male n = 416 |
Female n = 465 |
English n = 780 |
Other n = 105 |
||
| A. | The ball goes up at a constant speed, stops, and then comes down at a constant speed. | 16% | 17% | 15% | 13% | 19% | 16% | 18% |
| B. | The ball goes up at a constant speed, stops, and then moves faster and faster as it comes down. | 27% | 31% | 21% | 22% | 33% | 27% | 31% |
| C. | The ball moves slower and slower as it goes up, stops, and then comes down at a constant speed. | 11% | 10% | 12% | 11% | 10% | 10% | 15% |
| D. | The ball moves slower and slower as it goes up, stops, and then moves faster and faster as it comes down. | 46% | 42% | 52% | 54% | 38% | 47% | 35% |