Across
- 4. This simple machine is a rigid bar that pivots on a fulcrum
- 5. Ramps are this type of simple machine (two words)
- 9. Sprockets are connected by these, which cannot slip due to the teeth on the sprocket
- 10. The speed and direction in RPMs (ω) (two words)
- 11. This tells how well a machine works compared to how well it should work (AMA/IMA)
- 14. When two or more gears are meshed together, it is called this (two words)
- 15. This type of machine is made from two or more simple machines and the IMA is found by multiplying all the IMAs together
- 16. This type of mechanical advantage is based on forces, and is how well a machine DOES work (it's the A in AMA)
- 17. Meshed gears rotate in _____ directions
- 19. Rotational force (τ)
- 20. Pulleys, Levers, and Wedges are three examples of these (two words)\
Down
- 1. Simple machines give _____ _____, which alter force and distance, typically making something easier at the expense of longer distance
- 2. An axe head is the most common example of this type of simple machine
- 3. In this type of simple machine, mechanical advantage is determined by counting the number of effort strands
- 6. This simple machine has low efficiency, but high mechanical advantage
- 7. Doorknobs, water valves, and volume dials are all examples of this simple machine (three words)
- 8. This type of mechanical advantage is based only on distances, and is how well a machine SHOULD work (it's the I in IMA)
- 12. The size of a pulley is identified by its ____ since it doesn't have teeth (d)
- 13. Pulleys are connected by these, which can slip
- 14. The ____ ratio can be found by comparing the output diameter of a gear to the input diameter
- 18. The ____ on a gear allow it to interlock with other gears (n)