2. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

3. A. Output force B. Center C. Fulcrum D. Input force

4. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

5. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

6. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

7. A. Wedge, lever, fulcrum, axle, screw, pulley B. Lever, pulley, wheel, axle, wedge, screw C. Screw, wedge, inclined plane, wheel and axle, lever, pulley D. Axle, pulley, screw, lever, inclined plane, wedge

8. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

9. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

10. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

11. A. True B. False

12. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

13. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

14. A. Output force B. Effort force C. The middle D. There is no fulcrum

15. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

16. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

17. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

18. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

19. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

20. A. Lever B. Inclined Plane C. Tent D. Wedge

21. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

22. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

23. A. A crank used to raise water from a well B. A screwdriver C. Pedals and sprockets on a bike D. A crane

24. A. Lever B. Wedge C. Pulley D. Screw E. Wheel and Axle F. Inclined Plane

25. A. Yes B. No