Chapter 9

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Across
  1. 3. is the amount of force the machine exerts on an object
  2. 5. anytime you exert a force on an object that causes it to move
  3. 8. is the S.I unit of power
  4. 9. is a device that allows you to do work in an easier way
  5. 12. is a simple machine with a flat sloped surface
  6. 15. is the fixed point in a lever
  7. 16. the most basic device for making work easier
  8. 17. is a device that is thick at one end and tapers to a point at the other end
  9. 18. number of times a machine increases a force exerted on it
Down
  1. 1. compares a machines output work to input work (usually a percentage)
  2. 2. a machine that combines two or more simple machines
  3. 4. is the rate at which work is done
  4. 6. is the S.I unit of work
  5. 7. is a simple machine that is an inclined plane wrapped around a cylinder
  6. 10. is the amount of force you exert on an object
  7. 11. a bar that is free to rotate around a fixed point
  8. 13. a simple machine made of a grooved wheel and a rope or cable
  9. 14. made of two connected objects that rotate around an axis