Chapter 5, 6 & 7 Vocabulary!
Across
- 4. energy that includes both potential and kinetic energy
- 6. the rate at which work is done
- 7. ________________ force, the attraction/movement of positive and negative charges
- 9. how velocity changes over time
- 10. energy that an object has because of its motion
- 14. of reference a non-moving object that helps determine motion
- 15. mechanical ________________ describes how much a machine multiplies force or distance
- 16. stored up energy that an object has b\c of its position
- 19. ________________ force, the attraction/movement of north and south poles
- 22. a contact force that resists motion
- 23. a push or pull that can be contact/non contact, balanced or unbalanced
- 24. the amount of matter that makes up an object
Down
- 1. the distance between point A and point B
- 2. a measure of how useful a machine is, given as a percentage
- 3. ____________ force, the attraction/movement of objects to each other b/c of their mass
- 5. anything that changes position must be in _______________
- 8. when a force is applied and causes an object to move
- 11. types of machines that are made up of simple machines
- 12. force equals mass x acceleration, Newton's 2nd ________
- 13. the gravitational force applied to a mass
- 17. charge by_____________, lightning is an ex.-charges rearrange in a neutral object
- 18. how fast something travels and its direction
- 20. types of machines that make up all other machines
- 21. the ability to do work
- 22. an area created by non contact forces where the the force has an affect