Work, Power, & Simple Machines Unit Crossword
Across
- 3. The unit for force.
- 5. The amount of work completed in a certain period of time is called ___.
- 7. A(n) ___ ___ combines two or more simple machines together into a single machine.
- 14. A(n) ___ ___ is a device that makes work easier.
- 17. The number of times a machine multiplies your effort force is called its ___ ___.
- 19. A jelly jar top is an example of a(n) ___.
- 20. A flagpole is an example of a(n) ___.
- 22. Simple machines can change the ___ at which the resistance moves.
Down
- 1. Simple machines can change the ___ or distance through which the force is applied.
- 2. ___ is done when an object is moved through a distance in the direction of the applied force.
- 4. A ramp is an example of a(n) ___.
- 6. An axe is an example of a(n) ___.
- 8. Simple machines change the ___ needed to give you a mechanical advantage.
- 9. Due to ___, the work put into a machine is always greater than the work output.
- 10. The unit for work.
- 11. You need more power to run up the stairs than to walk because it takes you less ___.
- 12. When you ___ the friction, you increase the mechanical efficiency of the machine.
- 13. You can determine the mechanical advantage of an incline plane by ___ the length of the incline by its height.
- 15. A doorknob is an example of a(n) ___.
- 16. The unit for power.
- 18. The ratio of work output to work input is called ___.
- 21. A hammer is an example of a(n) ___.