Across
- 4. a inclined plane wrapped around a cylinder
- 10. A machine is output force multiplied by the output distance
- 12. The work done by the input force acting through the input distance
- 13. The distance the input force acts through
- 15. Expressed as a percentage efficiency
- 18. of a machine is the mechanical advantage in the absence of friction
- 19. A lever is the distance between the input force and the fulcrum
- 20. the SI unit of work
- 22. A device that changes the force
- 24. equals the ratio of the output force to the input force
- 25. The distance the output force is exerted through
- 26. a v-shaped object whose sides are two inclined planes sloped toward each other
Down
- 1. is equal to about 746 watts
- 2. a combination of two or more simple machines that operate together
- 3. a slanted surface along which a force moves on an object to a different elevation
- 5. which is equal to one joule per second
- 6. The force that is exerted by a machine
- 7. the product of force and distance
- 8. The rate of doing work
- 9. The force you exert on a machine
- 11. The distance between the output force and the fulcrum
- 14. A machine is the number of times that the machine increases an input force
- 16. The fixed point the bar rotates around
- 17. a simple machine that consists of a rope that fits into a groove in a wheel
- 21. A rigid bar that is free to move around a fixed point
- 23. A simple machine consists of two disks or cylinders each one with a different radius