Work and Machines

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Across
  1. 5. Matter cannot be created or destroyed in chemical and common physical changes
  2. 7. Machine A tool with few parts that makes it easier or possible to do work
  3. 8. The distance between the fulcrum and the effort force of a lever
  4. 9. The ability to do work
  5. 10. Metric unit of work
  6. 12. Arm The distance between the fulcrum and the resistance force of a lever
  7. 15. A simple machine made up of a wheel attached to a shaft
  8. 16. The amount of work a person does within a given period of time
  9. 19. by which a machine multiplies the effort force
  10. 20. Advantage
  11. 21. Force The force applied to a machine by the user
  12. 22. A simple machInclined Planef a rope, chain, or belt wrapped around a wheel
  13. 24. How well a machine performs
Down
  1. 1. Force The force applied to a machine by the object to be moved
  2. 2. What happens when an object changes its position by moving in the direction the force is being applied
  3. 3. The unit used to measure power
  4. 4. A simple machine made up of a ramp, used to lift an object
  5. 6. A simple machine made up of an inclined plane or a pair of inclined planes that are moved
  6. 11. A simple machine containing a bar that can turn around a fixed point
  7. 13. A simple machine made up of an inclined plane wrapped around a straight piece of metal
  8. 14. A fixed point around which a lever rotates
  9. 16. Stored energy
  10. 17. Input & Output The work we put into a machine by the user and the work done by the machine against the resistance
  11. 18. Energy of motion
  12. 23. A device used to convert mechanical energy to electrical energy