Simple Machines
Across
- 2. this is what simple machines help us do
- 3. ___ low pitched threads increase a screws MA
- 6. rotational force
- 7. this is always longer in third class levers
- 10. two inclined planes together
- 12. is an inclined plane wrapped around a cylinder
- 13. pulley MA equals the number of ___ supporting a load
- 15. class of lever where the load is in the middle
- 16. class of lever where the effort is in the middle
- 17. pulleys make lifting objects ____ easier
- 18. converts ____ force into linear force
- 20. the larger the ___ of a wheel the greater the MA
- 23. the pivot point of a lever
- 25. the longer the effort arm the ___ the MA in levers
- 26. makes lifting heavy object easier
- 28. the place you put force into a lever
- 29. inclined planes reduce this
- 30. a beam/rod that rotates on a fixed point
Down
- 1. pulleys redirect a ___ force into an upward force
- 4. levers help lift a ____
- 5. if this is larger, MA is always less than 1
- 8. the ability of a machine to lessen the burden of work
- 9. class of lever where the fulcrum is in the middle
- 11. simple machines make work ____
- 14. this will always have force applied to it
- 19. wedges convert a downward force into an ___ force
- 21. a circular disk that guides a rope
- 22. function of wedges
- 24. these kinds of inclined planes have greater MA
- 27. a machine with an MA of 1, input force ___ output force