Across
- 3. how well a machine does work
- 5. how fast work gets done
- 7. the push or pull you put onto a machine
- 8. the push or pull that the machine does
Down
- 1. something that makes it difficult to push or pull something
- 2. how much more effort the machine gives than the person using it
- 4. a push or pull
- 6. when a push or pull is done to an object and the object moves