Inclined Planes and Levers
Across
- 2. what you move with a lever
- 5. the spot that the lever moves around
- 7. To find the mechanical advantage, you _______ the length of the effort arm by the length of the resistance arm
- 9. the ______ advantage tells you how much easier a simple machine makes the job
- 12. a lever makes it so you need ______ force
- 13. equal to effort x distance
- 14. An inclined plane increases the _______ the effort is exerted over
- 15. Simple Machines can _______ the amount of effort needed
Down
- 1. a stiff bar that moves around a certain point
- 3. A sloped surface
- 4. Simple Machines cannot change the ______ of work done
- 6. a push or pull exerted on an object
- 8. what happens to the effort needed when where you push on the lever moves further from the fulcrum
- 10. the amount of force applied to a machine
- 11. If you use a shorter inclined plane, you will need to use _____ effort