| 1 | What is uniform circular motion? | |
| 2 | The earth's circumference is about 25,000 miles. | |
| 3 | This is the one that makes the speed change along the circumference. | |
| 4 | The recruit made the current circulate in the circuit on the circumference. | |
| 5 | But small as it is, it can cause circular movement. |