Across
- 5. the force applied by the machine
- 6. prevents machines from being ideal, converts force into heat energy
- 7. a measure of how much input work is converted into useable work
- 10. = force x distance
- 11. an axle attached to a wheel so that they rotate together
- 12. the work input can never be _____ than the work output
- 13. a sloped surface
- 15. a combination of two or more simple machines
- 18. the label for power
- 19. the label for force
- 20. a bar that pivots on a fixed point
Down
- 1. an inclined plane wrapped around a cylinder
- 2. the ratio of the output force to the input force
- 3. machines make work easier by reducing this
- 4. the amount of work done over a period of time
- 8. the label for work
- 9. = mass x acceleration
- 12. a device that makes work easier
- 13. the force applied to the machine
- 14. a machine where the work output = the work input
- 16. a grooved wheel and rope/chain/cable
- 17. an inclined plane with one or more sloping sides