Work, Force, and Simple Machines

1234567891011121314151617181920
Across
  1. 3. Unit for work and energy
  2. 5. Any device that makes work easier
  3. 9. A sharp piece of metal that comes to a point and can pierce through wood, metal, and other strong materials
  4. 11. Unit for power
  5. 12. The ratio of output force to input force
  6. 13. The rate at which work is done
  7. 14. A rigid bar resting on a pivot used to help move a firmly fixed load. It works when pressure is applied to one end
  8. 16. Number of times a machine increases the amount of input force
  9. 17. A grooved wheel with rope wrapped around it
  10. 19. The rubbing together of two different materials in order to make bonds
  11. 20. Something that is put on an axle and turns when friction and force is applied
Down
  1. 1. The part of a simple machine that a wheel is put on and works when friction and force is applied
  2. 2. A push or a pull
  3. 4. A machine made up of different parts that apply force and move different things
  4. 6. Another word for a ramp
  5. 7. The ability to change or do work
  6. 8. Force that the machine puts out
  7. 10. A piece of strong materials that is put between two things to secure and support them
  8. 15. Force that a human puts into the machine
  9. 18. When a force moves an object over a distance