Work and Power
Across
- 3. Watts are named after _________ Watts.
- 6. An object that has more power than another object does _____ work in the same time.
- 7. There is no work ________ motion.
- 10. ___________ equals 1,000 watts.
- 12. When you lift an object,, the upward force you exert must be at least ______ to the object's weight.
- 14. James Joule was a __________.
- 15. Between a blower and a rake, which is more powerful?
- 16. One joule is the mount of work you do when you exert a force of 1 _______.
Down
- 1. Maximum work is done when the force acts in the ______ direction a the motion.
- 2. work = _________ x distance.
- 3. Work is measured in what?
- 4. _____ is done when you exert a force on an object that causes the object to move some distance.
- 5. P= (Force x __________)/ Time
- 8. Power is measured in _________.
- 9. When you know how ______ work is done, you can calculate power.
- 11. Another power unit used instead of watts.
- 13. ______ is the amount of work done in a unit of time.