motion

4. the sudden, forceful coming together in direct contact of two bodies
7. the total length of the path of an object
8. measures speed in a particular direction
9. quantity that has size and direction
11. rate of change of velocity
13. quantity that conveys how fast an object travels over a certain distance
14. vector sum of all the forces acting on an object
17. convert from one form to the other
18. tendency of an object to resist changes in its motion while either at rest or in constant motion
19. force of gravity acting on an object

1. push or pull
2. change in position of an object and its direction
3. the relocation of energy from one place to another, usually in a different form
5. a measurement that refers to the amount of matter that makes up an object
6. quantity that has size but not direction
10. the capacity to do work
12. the ratio of the useful energy output of a system to the total input energy of that system
15. the maximum extent of size and the direction of an object
16. product of the force acting on an object