Physics Units 1-3

1. the principle that properties such as mass, volume, and number remain the same despite changes in the forms of objects
6. A force that causes an object to move in a circle
7. The study of matter and energy and the interactions between the two through forces and motion.
8. the study of motion and forces
11. The ability to do work or cause change
18. A simple machine that consists of a rope that fits into a groove in a wheel
21. The rate at which velocity changes
22. energy of motion
24. a diagram showing all the forces acting on an object
26. Equal forces acting on an object in opposite directions
30. acceleration of an object toward the center of a curved or circular path
33. the amount of matter in an object
35. the force that is equal in strength and opposite in direction to the action force, which acts simultaneously on whatever is exerting the action force
36. Scientist who discovered the law of gravity
37. the motion of a falling object when the only force acting on it is gravity
39. The measurement associated with an object's top-to-bottom dimension.
40. A force of attraction between objects that is due to their masses.
42. SI unit of energy
46. Distance and direction of an object's change in position from the starting point.
48. motion at a constant speed
49. Force exerted on an object that causes it to move

2. A mathematical sentence that contains an equals sign.
3. stored energy that results from the position or shape of an object
4. the sum of two or more vectors
5. force of attraction that acts on all objects in the universe
9. Greatness of size, strength, or importance
10. the initial push or pull of one object on another object
12. a parameter that is a measure of a spring's resistance to being compressed or stretched
13. a set of interacting parts forming a complex whole
14. scientist who derived the spring constant
15. SI base unit for time
16. a common tool for measuring length in the metric system
17. straight line
19. study of motion
20. SI unit for mass
23. SI unit of power
25. The length of a path between two points
27. the force perpendicular to a surface that prevents an object from falling through the surface
28. SI unit of force
29. stress that occurs when forces act to stretch an object
31. Speed in a given direction
32. A quantity that has magnitude and direction
34. A measure of the force of gravity on an object
36. The combination of all forces acting on an object
38. A force that opposes motion between two surfaces that are in contact
41. The distance an object travels per unit of time
43. SI unit for distance
44. A physical quantity that has magnitude only.
45. A push or a pull
47. the rate at which work is done