Ch. 13 Vocabulary

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Across
  1. 3. a simple machine that consists of a rigid bar that turns around a pivot point
  2. 4. the mechanical advantage for an ideal machine with no friction
  3. 6. the amount by which a simple machine multiplies and input force to produce an output force
  4. 7. basic mechanical device that changes the magnitude, direction, or distance traveled of the force used when doing work
  5. 9. simple machine that consists of a plane whose opposite ends are at different heights
  6. 11. a simple machine that consists of an inclined plane wrapped around a cone or cylinder in a spiral pattern
  7. 15. mechanical advantage that accounts for all mechanical losses sustained through a machine
  8. 16. force that tends to cause rotation around a pivot point
  9. 17. the point about which a lever pivots or rotates
Down
  1. 1. a simple machine that consists of a wheel with teeth on its perimeter that mesh with similar teeth
  2. 2. simple machine consisting of a wheel with a rod running through its axis as the pivot point
  3. 5. comparison of the amount of usable energy remaining after a process with the original amount of energy that went into the process
  4. 8. a simple machine consisting of two inclined planes attached at an acute angle and used to spread a material apart as it is forced in the material
  5. 10. the rate of doing work
  6. 12. machine that combines two or more simple machines
  7. 13. energy transferred to a system by an external force when it acts on the system to move it
  8. 14. simple machine that consists of a wheel and axle system with a groove around the perimeter of the wheel in which a rope, cable, or belt moves with the wheel as it rotates