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