Across
- 1. force a machine exerts on an object
- 4. ____&____ simple machine that consists of a shaft and wheel
- 6. force x distance
- 8. class lever with effort in the middle
- 10. units for work
- 13. long rigid bar that pivots around a fixed point
- 14. a pair of inclined planes that is movable
- 16. force applied to the machine
- 17. rate at which work is done
- 18. class lever with load in the middle
- 19. device that changes the way work is done
- 20. grooved wheel with a rope to lift a load
- 21. the ability to do work
Down
- 2. energy divided by time
- 3. _____&_____ made of both movable and fixed pulley
- 4. use of force to move an object
- 5. flat surface with a slope to move an object a distance
- 7. machine made of a series of chain reactions to complete a task
- 9. the support that a lever pivots around
- 11. machine that makes up other machines
- 12. units for power
- 15. class lever with fulcrum in the middle