Physics Crossword

1. A device designed to expand or contract
4. An action that has the ability to change an object's motion
6. The process of calculating three dimensional motion from forces and acceleration is called _______
8. Diagram containing a single object and all the forces acting on it
9. a straight surface usually with a curve
12. Relationship between force, spring constant and deformation
13. The arch shaped curve a trajectory follows is called a _______
15. The theorem that can be used to find the magnitude of a vector
19. any letter or number written below another character
20. The diagonal vector that connects the staring position with the final position is called the ______

2. The amount of force that overcomes an opposing force to cause motion
3. The unit of measurement for work
5. Ratio of frictional force preventing two objects in contact with each other from sliding or rolling
7. The force perpendicular to two surfaces which are moving which is ______ _____
10. The net change in position relative to the origin.
11. The quantity of force multiplied by distance
14. A variable that contains all three coordinate values
16. / The rate of change in the speed of an object
17. The path that a projectile follows
18. An object is in ____ ____ if it is moving under the sole influence of gravity only