Across
- 1. how heavy something is
- 3. Newton's Law-everything has an opposite and equal reaction
- 8. work against motion
- 12. the amount of matter in an object
- 14. forces that are equal in strength but act in opposite directions
- 15. the unit used to measure force
- 17. a push or pull that's stronger than other forces acting in the opposite direction
- 21. the rate of change of velocity
- 22. the unit used to measure work
- 23. the force applied to a simple machine
- 24. how quickly something moves or travels a certain distance
Down
- 2. fore between any two object
- 4. the transfer of energy when an applied force moves an object over distance
- 5. the act or process of changing position or place
- 6. the highest velocity attained by an object falling through a fluid
- 7. Newton's Law-everything in motion stays in motion, unless acted upon an unbalanced force
- 9. the tendency of an object to resist a change in motion
- 10. machines that work with one movement
- 11. the force exerted by the machine
- 13. a measure of speed in a given direction
- 16. Newton's Law that states F=ma
- 18. the sum of all the pushing and pulling forces actually acting on the object
- 19. the number of times a machine multiplies the effort force
- 20. an action that can change the motion of an object