Across
1. Is the load/output force
3. ratio of the force to the force applied to it
4. where it pivots
7. unit when calculating energy
8. reduces friction
14. example; a ramp
15. force x distance
16. useful work produced by a machine
17. a wedge and inclined plane joined together
18. wheels with teeth
19. example, seesaw
20. consists of more than one simple machine
Down
2. can help make work easier
5. the load/resistance
6. makes work easier by increasing distance and decreasing force
9. example; a tire
10. the effort
11. is the resistance/output force
12. used to balance or move objects
13. example; an axe​