Across
- 1. How fast we get the job done depends on the amount of _____ we put into it.
- 3. The strength and vitality required for sustained physical or mental activity.
- 5. The force resisting the relative motion of solid surfaces and material elements sliding against each other.
- 6. Increasing in a rate or a speed of something.
- 7. The object in motion stays in motion until a physical object comes in contact with it.
- 8. The number of occurrences of a repeating event per unit of time.
- 9. The amount of matter in an object.
Down
- 2. The physical interaction among magnetic moments, electric charges, and electromagnetic fields.
- 4. The _____ of an object is the magnitude of the change of its position over time.
- 5. The amount of push or pull placed on an object.